Commit ce7d70af authored by Guo-Fu Tseng's avatar Guo-Fu Tseng Committed by David S. Miller

jme: Tuning rxsum function

1. Use more efficient way to determine flag status.
2. Hardware dose not mark fragment bit against IPv6 packets,
   print TCP/UDP checksum warning message for IPv4 packets
   only.
Signed-off-by: default avatarGuo-Fu Tseng <cooldavid@cooldavid.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent d1dfa1d1
...@@ -880,27 +880,27 @@ jme_rxsum_ok(struct jme_adapter *jme, u16 flags) ...@@ -880,27 +880,27 @@ jme_rxsum_ok(struct jme_adapter *jme, u16 flags)
if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4))) if (!(flags & (RXWBFLAG_TCPON | RXWBFLAG_UDPON | RXWBFLAG_IPV4)))
return false; return false;
if (unlikely(!(flags & RXWBFLAG_MF) && if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_TCPON | RXWBFLAG_TCPCS))
(flags & RXWBFLAG_TCPON) && !(flags & RXWBFLAG_TCPCS))) { == RXWBFLAG_TCPON)) {
msg_rx_err(jme, "TCP Checksum error.\n"); if (flags & RXWBFLAG_IPV4)
goto out_sumerr; msg_rx_err(jme, "TCP Checksum error\n");
return false;
} }
if (unlikely(!(flags & RXWBFLAG_MF) && if (unlikely((flags & (RXWBFLAG_MF | RXWBFLAG_UDPON | RXWBFLAG_UDPCS))
(flags & RXWBFLAG_UDPON) && !(flags & RXWBFLAG_UDPCS))) { == RXWBFLAG_UDPON)) {
if (flags & RXWBFLAG_IPV4)
msg_rx_err(jme, "UDP Checksum error.\n"); msg_rx_err(jme, "UDP Checksum error.\n");
goto out_sumerr; return false;
} }
if (unlikely((flags & RXWBFLAG_IPV4) && !(flags & RXWBFLAG_IPCS))) { if (unlikely((flags & (RXWBFLAG_IPV4 | RXWBFLAG_IPCS))
== RXWBFLAG_IPV4)) {
msg_rx_err(jme, "IPv4 Checksum error.\n"); msg_rx_err(jme, "IPv4 Checksum error.\n");
goto out_sumerr; return false;
} }
return true; return true;
out_sumerr:
return false;
} }
static void static void
......
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