- 28 Oct, 2014 1 commit
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Thomas Graf authored
The internal and netdev vport remain part of openvswitch.ko. Encap vports including vxlan, gre, and geneve can be built as separate modules and are loaded on demand. Modules can be unloaded after use. Datapath ports keep a reference to the vport module during their lifetime. Allows to remove the error prone maintenance of the global list vport_ops_list. Signed-off-by:
Thomas Graf <tgraf@suug.ch> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- 27 Oct, 2014 21 commits
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David S. Miller authored
Varka Bhadram says: ==================== cleanup on resource check This series removes the duplication of sanity check for platform_get_resource() return resource. It will be checked with devm_ioremap_resource() changes since v2: - Merge #1 and #2 patches into single patch - remove the comment changes since v1: - remove NULL dereference on resource_size() ==================== Signed-off-by: -
Varka Bhadram authored
devm_ioremap_resource checks platform_get_resource() return value. We can remove the duplicate check here. Signed-off-by:
Varka Bhadram <varkab@cdac.in> Signed-off-by:
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Varka Bhadram authored
devm_ioremap_resource checks platform_get_resource() return value. We can remove the duplicate check here. Signed-off-by:
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Varka Bhadram authored
devm_ioremap_resource checks platform_get_resource() return value. We can remove the duplicate check here. Signed-off-by:
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Varka Bhadram authored
devm_ioremap_resource checks platform_get_resource() return value. We can remove the duplicate check here. Signed-off-by:
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Varka Bhadram authored
devm_ioremap_resource checks platform_get_resource() return value. We can remove the duplicate check here. Signed-off-by:
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Kyeyoon Park authored
This feature is defined in IEEE Std 802.11-2012, 10.23.13. It allows the AP devices to keep track of the hardware-address-to-IP-address mapping of the mobile devices within the WLAN network. The AP will learn this mapping via observing DHCP, ARP, and NS/NA frames. When a request for such information is made (i.e. ARP request, Neighbor Solicitation), the AP will respond on behalf of the associated mobile device. In the process of doing so, the AP will drop the multicast request frame that was intended to go out to the wireless medium. It was recommended at the LKS workshop to do this implementation in the bridge layer. vxlan.c is already doing something very similar. The DHCP snooping code will be added to the userspace application (hostapd) per the recommendation. This RFC commit is only for IPv4. A similar approach in the bridge layer will be taken for IPv6 as well. Signed-off-by:
Kyeyoon Park <kyeyoonp@codeaurora.org> Signed-off-by:
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Fabian Frederick authored
Let compiler decide what to do with static void __ipxitf_put() Suggested-by:
Fabian Frederick <fabf@skynet.be> Signed-off-by:
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Fabian Frederick authored
use %08X instead of %08lX and remove casting. Suggested-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Fabian Frederick authored
include ipx.h from sysctl_net_ipx.c Signed-off-by:
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Fabian Frederick authored
Signed-off-by:
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Fabian Frederick authored
Signed-off-by:
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Fabian Frederick authored
unsigned char *sha (source) was already in original git version but was never used. Signed-off-by:
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David S. Miller authored
Frank Blaschka says: ==================== s390: network patches for net-next looks like there was a problem with my previous posting. Hope this time it will work. Sorry for any inconvenience. The patches are mostly cleanups and small enhancements for net-next ==================== Signed-off-by: -
Thomas Richter authored
Since a single integer value is read from the supplied buffer use the kstrto functions instead of sscanf. Signed-off-by:
Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by:
Frank Blaschka <blaschka@linux.vnet.ibm.com> Signed-off-by:
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Thomas Richter authored
Since a single integer value is read from the supplied buffer use the kstrto functions instead of sscanf. Signed-off-by:
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Thomas Richter authored
Compile the s390 10GB ethernet device driver only when ETHERNET has been defined in the kernel configuration file. Right now the qeth device driver is always built regardless of which network connectivity is active. Signed-off-by:
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Thomas Richter authored
This patch makes 4 local functions static and removes the prototypes from the header file. Signed-off-by:
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Thomas Richter authored
This patch fixes trace formatting issues using the QETH_CARD_TEXT_ macro. The total size of each trace entry is 8 bytes. Some of the sprintf formats exceed these 8 bytes (for example using abcd:%d and the converted value needs more than 3 bytes). The solution is to shorten the text prepending the value or use a different format (%x). Signed-off-by:
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Thomas Richter authored
This patch makes some global functions static and removes the prototypes from the header file. Also function qeth_query_card_info is not exported anymore, there is no external user for it, this function should never have been exported in the first place. Signed-off-by:
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David Vrabel authored
A full Rx ring only requires 1 MiB of memory. This is not enough memory that it is useful to dynamically scale the number of Rx requests in the ring based on traffic rates, because: a) Even the full 1 MiB is a tiny fraction of a typically modern Linux VM (for example, the AWS micro instance still has 1 GiB of memory). b) Netfront would have used up to 1 MiB already even with moderate data rates (there was no adjustment of target based on memory pressure). c) Small VMs are going to typically have one VCPU and hence only one queue. Keeping the ring full of Rx requests handles bursty traffic better than trying to converge on an optimal number of requests to keep filled. On a 4 core host, an iperf -P 64 -t 60 run from dom0 to a 4 VCPU guest improved from 5.1 Gbit/s to 5.6 Gbit/s. Gains with more bursty traffic are expected to be higher. Signed-off-by:
David Vrabel <david.vrabel@citrix.com> Signed-off-by:
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- 25 Oct, 2014 4 commits
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David S. Miller authored
Sowmini Varadhan says: ==================== sunvnet: NAPIfy sunvnet This patchset converts the sunvnet driver to use the NAPI framework. Changes since v4 to Patch1: vnet_event accumulates LDC_EVENT_* bits into rx_event. vnet_event_napi() unrolls send_events() logic to process all rx_event bits. Changes since v5: Patch 1: use net_device.h definition for NAPI_POLL_WEIGHT. Drop sparclinux changes (patch3) per David Miller feedback Patch 1 in the series addresses the packet-receive path- all the vnet_event() processing is moved into NAPI context. This patch is dependant on the sparc-next commit: "sparc64: Add vio_set_intr() to enable/disable Rx interrupts" (sparc commit id ca605b7d) Patch 2 uses RCU to fix race conditions between vnet_port_remove and paths that access/modify port-related state, such as vnet_start_xmit. Patch 3 leverages from the NAPIfied Rx path, dropping superfluous usage of the irqsave/irqrestores on the vio.lock where possible. ==================== Signed-off-by:
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Sowmini Varadhan authored
After the NAPIfication of sunvnet, we no longer need to synchronize by doing irqsave/restore on vio.lock in the I/O fastpath. NAPI ->poll() is non-reentrant, so all RX processing occurs strictly in a serialized environment. TX reclaim is done in NAPI context, so the netif_tx_lock can be used to serialize critical sections between Tx and Rx paths. Signed-off-by:
Sowmini Varadhan <sowmini.varadhan@oracle.com> Signed-off-by:
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Sowmini Varadhan authored
A vnet_port_remove could be triggered as a result of an ldm-unbind operation by the peer, module unload, or other changes to the inter-vnet-link configuration. When this is concurrent with vnet_start_xmit(), there are several race sequences possible, such as thread 1 thread 2 vnet_start_xmit -> tx_port_find spin_lock_irqsave(&vp->lock..) ret = __tx_port_find(..) spin_lock_irqrestore(&vp->lock..) vio_remove -> .. ->vnet_port_remove spin_lock_irqsave(&vp->lock..) cleanup spin_lock_irqrestore(&vp->lock..) kfree(port) /* attempt to use ret will bomb */ This patch adds RCU locking for port access so that vnet_port_remove will correctly clean up port-related state. Signed-off-by:Dwight Engen <dwight.engen@oracle.com> Acked-by:
Bob Picco <bob.picco@oracle.com> Signed-off-by:
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Sowmini Varadhan authored
Move Rx packet procssing to the NAPI poll callback. Disable VIO interrupt and unconditioanlly go into NAPI context from vnet_event. Note that we want to minimize the number of LDC STOP/START messages sent. Specifically, do not send a STOP message if vnet_walk_rx does not read all the available descriptors because of the NAPI budget limitation. Instead, note the end index as part of port state, and resume from this index when the next poll callback is triggered. Signed-off-by:
Raghuram Kothakota <raghuram.kothakota@oracle.com> Acked-by:
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- 24 Oct, 2014 14 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-nextDavid S. Miller authored
Jeff Kirsher says: ==================== Intel Wired LAN Driver Updates 2014-10-23 This series contains updates to i40e and i40evf. Jesse modifies the i40e driver to only notify the firmware on link up/down and qualified module events. Also simplified the job of managing link state by using the admin queue receive event for link events as a signal to tell the driver to update link state. Jeff (me) cleans up the inconsistent use of tabs for indentation in the admin queue command header file. Neerav converts the use of udelay() to usleep_range(). Anjali fixes a bug where receive would stop after some stress by adding a sleep and restart as well as moving the setting of flow control because it should be done at a PF level and not a VSI level. Mitch adds code to handle link events when updating the PF switch, which allows link information to be properly provided to VFS in all cases. Catherine adds driver support for 10GBaseT and bumps driver version. ==================== Signed-off-by: -
Fabian Frederick authored
Signed-off-by:
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Fabian Frederick authored
See Documentation/CodingStyle Chapter 6 Signed-off-by:
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David S. Miller authored
Sebastian Hesselbarth says: ==================== Marvell PXA168 libphy handling and Berlin Ethernet This patch series deals with a removing a IP feature that can be found on all currently supported Marvell Ethernet IP (pxa168_eth, mv643xx_eth, mvneta). The MAC IP allows to automatically perform PHY auto-negotiation without software interaction. However, this feature (a) fundamentally clashes with the way libphy works and (b) is unable to deal with quirky PHYs that require special treatment. In this series, pxa168_eth driver is rewritten to completely disable that feature and properly deal with libphy provided PHYs. As usual, a branch on top of v3.18-rc1 can be found at git://git.infradead.org/users/hesselba/linux-berlin.git devel/bg2-bg2cd-eth-v2 Patches 1-5 should go through David's net tree, I'll pick up the DT patches 6-9. There have been some changes, compared to the RFT - added phy-connection-type property to BG2Q PHY DT node - bail out from pxa168_eth_adjust_link when there is no change in PHY parameters. Also, add a call to phy_print_status. compared to v1 - move phy-connection-type to ethernet node instead of PHY node Patch 1 adds support for Marvell 88E3016 FastEthernet PHY that is also integrated in Marvell Berlin BG2/BG2CD SoCs. Patch 2 allows to pass phy_interface_t on pxa168_eth platform_data that is only used by mach-mmp/gplug. From the board setup, I guessed gplug's PHY is connected via RMII. The patch still isn't even compile tested. Patches 3-5 prepare proper libphy handling and finally remove all in-driver PHY mangling related to the feature explained above. Patches 6-9 add corresponding ethernet DT nodes to BG2, BG2CD, add a phy-connection-type property to BG2Q and enable ethernet on BG2-based Sony NSZ-GS7. I have tested all this on GS7 successfully with ip=dhcp on 100M FD. ==================== Signed-off-by:
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Sebastian Hesselbarth authored
With properly using libphy PHYs now, remove the in-driver PHY mangling. Tested-by:
Antoine Ténart <antoine.tenart@free-electrons.com> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Signed-off-by:
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Sebastian Hesselbarth authored
Marvell Ethernet IP supports PHY negotiation driven by HW. This fundamentally clashes with libphy (software) driven negotiation and also cannot cope with quirky PHYs. Therefore, always disable any HW negotiation features and properly use libphy's phy_device. Tested-by:
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Sebastian Hesselbarth authored
Current libphy handling in pxa168_eth lacks proper phy_connect. Prepare to fix this by first moving phy properties from platform_data to private driver data. Tested-by:
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Sebastian Hesselbarth authored
The PXA168 Ethernet IP support MII and RMII connection to its PHY. Currently, pxa168 platform_data does not provide a way to pass that and there is one user of pxa168 platform_data (mach-mmp/gplug). Given the pinctrl settings of gplug it uses RMII, so add and pass a corresponding phy_interface_t. Tested-by:
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Sebastian Hesselbarth authored
Marvell 88E3016 is a FastEthernet PHY that also can be found in Marvell Berlin SoCs as integrated PHY. Tested-by:
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Geert Uytterhoeven authored
As of commit e4dc601b ("m68k: Disable/restore interrupts in hwreg_present()/hwreg_write()"), this is no longer needed. Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Geert Uytterhoeven authored
As of commit e4dc601b ("m68k: Disable/restore interrupts in hwreg_present()/hwreg_write()"), this is no longer needed. Signed-off-by:
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Rasmus Villemoes authored
Both image_data and typhoon_fw->data are const u8*, so the cast to u8* is unnecessary and confusing. Signed-off-by:
Rasmus Villemoes <linux@rasmusvillemoes.dk> Acked-by:
David Dillow <dave@thedillows.org> Signed-off-by:
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Sébastien Barré authored
sctp_addr_is_valid() only appeared in its definition. Acked-by:
Neil Horman <nhorman@tuxdriver.com> Signed-off-by:
Sébastien Barré <sebastien.barre@uclouvain.be> Signed-off-by:
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David S. Miller authored
Martin KaFai Lau says: ==================== ipv6: Reduce the number of fib6_lookup() calls from ip6_pol_route() This patch set is trying to reduce the number of fib6_lookup() calls from ip6_pol_route(). I have adapted davem's udpflooda and kbench_mod test (https://git.kernel.org/pub/scm/linux/kernel/git/davem/net_test_tools.git) to support IPv6 and here is the result: Before: [root]# for i in $(seq 1 3); do time ./udpflood -l 20000000 -c 250 2401:face:face:face::2; done real 0m34.190s user 0m3.047s sys 0m31.108s real 0m34.635s user 0m3.125s sys 0m31.475s real 0m34.517s user 0m3.034s sys 0m31.449s [root]# insmod ip6_route_kbench.ko oif=2 src=2401:face:face:face::1 dst=2401:face:face:face::2 [ 660.160976] ip6_route_kbench: ip6_route_output tdiff: 933 [ 660.207261] ip6_route_kbench: ip6_route_output tdiff: 988 [ 660.253492] ip6_route_kbench: ip6_route_output tdiff: 896 [ 660.298862] ip6_route_kbench: ip6_route_output tdiff: 898 After: [root]# for i in $(seq 1 3); do time ./udpflood -l 20000000 -c 250 2401:face:face:face::2; done real 0m32.695s user 0m2.925s sys 0m29.737s real 0m32.636s user 0m3.007s sys 0m29.596s real 0m32.797s user 0m2.866s sys 0m29.898s [root]# insmod ip6_route_kbench.ko oif=2 src=2401:face:face:face::1 dst=2401:face:face:face::2 [ 881.220793] ip6_route_kbench: ip6_route_output tdiff: 684 [ 881.253477] ip6_route_kbench: ip6_route_output tdiff: 640 [ 881.286867] ip6_route_kbench: ip6_route_output tdiff: 630 [ 881.320749] ip6_route_kbench: ip6_route_output tdiff: 653 /****************************** udpflood.c ******************************/ /* It is an adaptation of the Eric Dumazet's and David Miller's * udpflood tool, by adding IPv6 support. */ typedef uint32_t u32; static int debug =3D 0; /* Allow -fstrict-aliasing */ typedef union sa_u { struct sockaddr_storage a46; struct sockaddr_in a4; struct sockaddr_in6 a6; } sa_u; static int usage(void) { printf("usage: udpflood [ -l count ] [ -m message_size ] [ -c num_ip_addrs= ] IP_ADDRESS\n"); return -1; } static u32 get_last32h(const sa_u *sa) { if (sa->a46.ss_family =3D=3D PF_INET) return ntohl(sa->a4.sin_addr.s_addr); else return ntohl(sa->a6.sin6_addr.s6_addr32[3]); } static void set_last32h(sa_u *sa, u32 last32h) { if (sa->a46.ss_family =3D=3D PF_INET) sa->a4.sin_addr.s_addr =3D htonl(last32h); else sa->a6.sin6_addr.s6_addr32[3] =3D htonl(last32h); } static void print_saddr(const sa_u *sa, const char *msg) { char buf[64]; if (!debug) return; switch (sa->a46.ss_family) { case PF_INET: inet_ntop(PF_INET, &(sa->a4.sin_addr.s_addr), buf, sizeof(buf)); break; case PF_INET6: inet_ntop(PF_INET6, &(sa->a6.sin6_addr), buf, sizeof(buf)); break; } printf("%s: %s\n", msg, buf); } static int send_packets(const sa_u *sa, size_t num_addrs, int count, int ms= g_sz) { char *msg =3D malloc(msg_sz); sa_u saddr; u32 start_addr32h, end_addr32h, cur_addr32h; int fd, i, err; if (!msg) return -ENOMEM; memset(msg, 0, msg_sz); memcpy(&saddr, sa, sizeof(saddr)); cur_addr32h =3D start_addr32h =3D get_last32h(&saddr); end_addr32h =3D start_addr32h + num_addrs; fd =3D socket(saddr.a46.ss_family, SOCK_DGRAM, 0); if (fd < 0) { perror("socket"); err =3D fd; goto out_nofd; } /* connect to avoid the kernel spending time in figuring * out the source address (i.e pin the src address) */ err =3D connect(fd, (struct sockaddr *) &saddr, sizeof(saddr)); if (err < 0) { perror("connect"); goto out; } print_saddr(&saddr, "start_addr"); for (i =3D 0; i < count; i++) { print_saddr(&saddr, "sendto"); err =3D sendto(fd, msg, msg_sz, 0, (struct sockaddr *)&saddr, sizeof(saddr)); if (err < 0) { perror("sendto"); goto out; } if (++cur_addr32h >=3D end_addr32h) cur_addr32h =3D start_addr32h; set_last32h(&saddr, cur_addr32h); } err =3D 0; out: close(fd); out_nofd: free(msg); return err; } int main(int argc, char **argv, char **envp) { int port, msg_sz, count, num_addrs, ret; sa_u start_addr; port =3D 6000; msg_sz =3D 32; count =3D 10000000; num_addrs =3D 1; while ((ret =3D getopt(argc, argv, "dl:s:p:c:")) >=3D 0) { switch (ret) { case 'l': sscanf(optarg, "%d", &count); break; case 's': sscanf(optarg, "%d", &msg_sz); break; case 'p': sscanf(optarg, "%d", &port); break; case 'c': sscanf(optarg, "%d", &num_addrs); break; case 'd': debug =3D 1; break; case '?': return usage(); } } if (num_addrs < 1) return usage(); if (!argv[optind]) return usage(); start_addr.a4.sin_port =3D htons(port); if (inet_pton(PF_INET, argv[optind], &start_addr.a4.sin_addr)) start_addr.a46.ss_family =3D PF_INET; else if (inet_pton(PF_INET6, argv[optind], &start_addr.a6.sin6_addr.s6_add= r)) start_addr.a46.ss_family =3D PF_INET6; else return usage(); return send_packets(&start_addr, num_addrs, count, msg_sz); } /****************** ip6_route_kbench_mod.c ******************/ /* We can't just use "get_cycles()" as on some platforms, such * as sparc64, that gives system cycles rather than cpu clock * cycles. */ static inline unsigned long long get_tick(void) { unsigned long long t; __asm__ __volatile__("rd %%tick, %0" : "=r" (t)); return t; } static inline unsigned long long get_tick(void) { unsigned long long t; rdtscll(t); return t; } static inline unsigned long long get_tick(void) { return get_cycles(); } static int flow_oif = DEFAULT_OIF; static int flow_iif = DEFAULT_IIF; static u32 flow_mark = DEFAULT_MARK; static struct in6_addr flow_dst_ip_addr; static struct in6_addr flow_src_ip_addr; static int flow_tos = DEFAULT_TOS; static char dst_string[64]; static char src_string[64]; module_param_string(dst, dst_string, sizeof(dst_string), 0); module_param_string(src, src_string, sizeof(src_string), 0); static int __init flow_setup(void) { if (dst_string[0] && !in6_pton(dst_string, -1, &flow_dst_ip_addr.s6_addr[0], -1, NULL)) { pr_info("cannot parse \"%s\"\n", dst_string); return -1; } if (src_string[0] && !in6_pton(src_string, -1, &flow_src_ip_addr.s6_addr[0], -1, NULL)) { pr_info("cannot parse \"%s\"\n", dst_string); return -1; } return 0; } module_param_named(oif, flow_oif, int, 0); module_param_named(iif, flow_iif, int, 0); module_param_named(mark, flow_mark, uint, 0); module_param_named(tos, flow_tos, int, 0); static int warmup_count = DEFAULT_WARMUP_COUNT; module_param_named(count, warmup_count, int, 0); static void flow_init(struct flowi6 *fl6) { memset(fl6, 0, sizeof(*fl6)); fl6->flowi6_proto = IPPROTO_ICMPV6; fl6->flowi6_oif = flow_oif; fl6->flowi6_iif = flow_iif; fl6->flowi6_mark = flow_mark; fl6->flowi6_tos = flow_tos; fl6->daddr = flow_dst_ip_addr; fl6->saddr = flow_src_ip_addr; } static struct sk_buff * fake_skb_get(void) { struct ipv6hdr *hdr; struct sk_buff *skb; skb = alloc_skb(4096, GFP_KERNEL); if (!skb) { pr_info("Cannot alloc SKB for test\n"); return NULL; } skb->dev = __dev_get_by_index(&init_net, flow_iif); if (skb->dev == NULL) { pr_info("Input device (%d) does not exist\n", flow_iif); goto err; } skb_reset_mac_header(skb); skb_reset_network_header(skb); skb_reserve(skb, MAX_HEADER + sizeof(struct ipv6hdr)); hdr = ipv6_hdr(skb); hdr->priority = 0; hdr->version = 6; memset(hdr->flow_lbl, 0, sizeof(hdr->flow_lbl)); hdr->payload_len = htons(sizeof(struct icmp6hdr)); hdr->nexthdr = IPPROTO_ICMPV6; hdr->saddr = flow_src_ip_addr; hdr->daddr = flow_dst_ip_addr; skb->protocol = htons(ETH_P_IPV6); skb->mark = flow_mark; return skb; err: kfree_skb(skb); return NULL; } static void do_full_output_lookup_bench(void) { unsigned long long t1, t2, tdiff; struct rt6_info *rt; struct flowi6 fl6; int i; rt = NULL; for (i = 0; i < warmup_count; i++) { flow_init(&fl6); rt = (struct rt6_info *)ip6_route_output(&init_net, NULL, &fl6); if (IS_ERR(rt)) break; ip6_rt_put(rt); } if (IS_ERR(rt)) { pr_info("ip_route_output_key: err=%ld\n", PTR_ERR(rt)); return; } flow_init(&fl6); t1 = get_tick(); rt = (struct rt6_info *)ip6_route_output(&init_net, NULL, &fl6); t2 = get_tick(); if (!IS_ERR(rt)) ip6_rt_put(rt); tdiff = t2 - t1; pr_info("ip6_route_output tdiff: %llu\n", tdiff); } static void do_full_input_lookup_bench(void) { unsigned long long t1, t2, tdiff; struct sk_buff *skb; struct rt6_info *rt; int err, i; skb = fake_skb_get(); if (skb == NULL) goto out_free; err = 0; local_bh_disable(); for (i = 0; i < warmup_count; i++) { ip6_route_input(skb); rt = (struct rt6_info *)skb_dst(skb); err = (!rt || rt == init_net.ipv6.ip6_null_entry); skb_dst_drop(skb); if (err) break; } local_bh_enable(); if (err) { pr_info("Input route lookup fails\n"); goto out_free; } local_bh_disable(); t1 = get_tick(); ip6_route_input(skb); t2 = get_tick(); local_bh_enable(); rt = (struct rt6_info *)skb_dst(skb); err = (!rt || rt == init_net.ipv6.ip6_null_entry); skb_dst_drop(skb); if (err) { pr_info("Input route lookup fails\n"); goto out_free; } tdiff = t2 - t1; pr_info("ip6_route_input tdiff: %llu\n", tdiff); out_free: kfree_skb(skb); } static void do_full_lookup_bench(void) { if (!flow_iif) do_full_output_lookup_bench(); else do_full_input_lookup_bench(); } static void do_bench(void) { do_full_lookup_bench(); do_full_lookup_bench(); do_full_lookup_bench(); do_full_lookup_bench(); } static int __init kbench_init(void) { if (flow_setup()) return -EINVAL; pr_info("flow [IIF(%d),OIF(%d),MARK(0x%08x),D("IP6_FMT")," "S("IP6_FMT"),TOS(0x%02x)]\n", flow_iif, flow_oif, flow_mark, IP6_PRT(flow_dst_ip_addr), IP6_PRT(flow_src_ip_addr), flow_tos); if (!cpu_has_tsc) { pr_err("X86 TSC is required, but is unavailable.\n"); return -EINVAL; } pr_info("sizeof(struct rt6_info)==%zu\n", sizeof(struct rt6_info)); do_bench(); return -ENODEV; } static void __exit kbench_exit(void) { } module_init(kbench_init); module_exit(kbench_exit); MODULE_LICENSE("GPL"); ==================== Signed-off-by:
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