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In the previous implementation, when multiple xsk sockets were associated with a single xsk_buff_pool, a situation could arise where the xsk_tx_list maintained data at the front for one xsk socket while starving the xsk sockets at the back of the list. This could result in issues such as the inability to transmit packets, increased latency, and jitter. To address this problem, we introduce a new variable called tx_budget_spent, which limits each xsk to transmit a maximum of MAX_PER_SOCKET_BUDGET tx descriptors. This allocation ensures equitable opportunities for subsequent xsk sockets to send tx descriptors. The value of MAX_PER_SOCKET_BUDGET is set to 32. Signed-off-by: Albert Huang <huangjie.albert@bytedance.com> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net> Acked-by: Magnus Karlsson <magnus.karlsson@intel.com> Link: https://lore.kernel.org/bpf/20231023125732.82261-1-huangjie.albert@bytedance.com |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| xdp_umem.c | ||
| xdp_umem.h | ||
| xsk_buff_pool.c | ||
| xsk_diag.c | ||
| xsk_queue.c | ||
| xsk_queue.h | ||
| xsk.c | ||
| xsk.h | ||
| xskmap.c | ||