Commit 38005ca8 authored by Arthur Kiyanovski's avatar Arthur Kiyanovski Committed by David S. Miller

net: ena: add functions for handling Low Latency Queues in ena_netdev

This patch includes all code changes necessary in ena_netdev to enable
packet sending via the LLQ placemnt mode.
Signed-off-by: default avatarArthur Kiyanovski <akiyano@amazon.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 689b2bda
...@@ -81,6 +81,7 @@ static const struct ena_stats ena_stats_tx_strings[] = { ...@@ -81,6 +81,7 @@ static const struct ena_stats ena_stats_tx_strings[] = {
ENA_STAT_TX_ENTRY(doorbells), ENA_STAT_TX_ENTRY(doorbells),
ENA_STAT_TX_ENTRY(prepare_ctx_err), ENA_STAT_TX_ENTRY(prepare_ctx_err),
ENA_STAT_TX_ENTRY(bad_req_id), ENA_STAT_TX_ENTRY(bad_req_id),
ENA_STAT_TX_ENTRY(llq_buffer_copy),
ENA_STAT_TX_ENTRY(missed_tx), ENA_STAT_TX_ENTRY(missed_tx),
}; };
......
...@@ -151,6 +151,9 @@ struct ena_tx_buffer { ...@@ -151,6 +151,9 @@ struct ena_tx_buffer {
/* num of buffers used by this skb */ /* num of buffers used by this skb */
u32 num_of_bufs; u32 num_of_bufs;
/* Indicate if bufs[0] map the linear data of the skb. */
u8 map_linear_data;
/* Used for detect missing tx packets to limit the number of prints */ /* Used for detect missing tx packets to limit the number of prints */
u32 print_once; u32 print_once;
/* Save the last jiffies to detect missing tx packets /* Save the last jiffies to detect missing tx packets
...@@ -186,6 +189,7 @@ struct ena_stats_tx { ...@@ -186,6 +189,7 @@ struct ena_stats_tx {
u64 tx_poll; u64 tx_poll;
u64 doorbells; u64 doorbells;
u64 bad_req_id; u64 bad_req_id;
u64 llq_buffer_copy;
u64 missed_tx; u64 missed_tx;
}; };
...@@ -257,6 +261,8 @@ struct ena_ring { ...@@ -257,6 +261,8 @@ struct ena_ring {
struct ena_stats_tx tx_stats; struct ena_stats_tx tx_stats;
struct ena_stats_rx rx_stats; struct ena_stats_rx rx_stats;
}; };
u8 *push_buf_intermediate_buf;
int empty_rx_queue; int empty_rx_queue;
} ____cacheline_aligned; } ____cacheline_aligned;
......
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