diff options
| author | Praveen Kaligineedi <pkaligineedi@google.com> | 2024-01-24 19:10:25 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2024-02-05 23:14:34 +0300 |
| commit | f08daa806ba78a1458dd7589a4857213cab426d9 (patch) | |
| tree | 1a1b9afaf0aae8557080c8dbe155c31947be0abd /drivers/net/ethernet/google | |
| parent | baa3f8b28185a30a9cc8a1599b13184707b1247c (diff) | |
| download | linux-f08daa806ba78a1458dd7589a4857213cab426d9.tar.xz | |
gve: Fix skb truesize underestimation
[ Upstream commit 534326711000c318fe1523c77308450522baa499 ]
For a skb frag with a newly allocated copy page, the true size is
incorrectly set to packet buffer size. It should be set to PAGE_SIZE
instead.
Fixes: 82fd151d38d9 ("gve: Reduce alloc and copy costs in the GQ rx path")
Signed-off-by: Praveen Kaligineedi <pkaligineedi@google.com>
Link: https://lore.kernel.org/r/20240124161025.1819836-1-pkaligineedi@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/net/ethernet/google')
| -rw-r--r-- | drivers/net/ethernet/google/gve/gve_rx.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/net/ethernet/google/gve/gve_rx.c b/drivers/net/ethernet/google/gve/gve_rx.c index 73655347902d..93ff7c8ec905 100644 --- a/drivers/net/ethernet/google/gve/gve_rx.c +++ b/drivers/net/ethernet/google/gve/gve_rx.c @@ -362,7 +362,7 @@ static enum pkt_hash_types gve_rss_type(__be16 pkt_flags) static struct sk_buff *gve_rx_add_frags(struct napi_struct *napi, struct gve_rx_slot_page_info *page_info, - u16 packet_buffer_size, u16 len, + unsigned int truesize, u16 len, struct gve_rx_ctx *ctx) { u32 offset = page_info->page_offset + page_info->pad; @@ -395,10 +395,10 @@ static struct sk_buff *gve_rx_add_frags(struct napi_struct *napi, if (skb != ctx->skb_head) { ctx->skb_head->len += len; ctx->skb_head->data_len += len; - ctx->skb_head->truesize += packet_buffer_size; + ctx->skb_head->truesize += truesize; } skb_add_rx_frag(skb, num_frags, page_info->page, - offset, len, packet_buffer_size); + offset, len, truesize); return ctx->skb_head; } @@ -492,7 +492,7 @@ static struct sk_buff *gve_rx_copy_to_pool(struct gve_rx_ring *rx, memcpy(alloc_page_info.page_address, src, page_info->pad + len); skb = gve_rx_add_frags(napi, &alloc_page_info, - rx->packet_buffer_size, + PAGE_SIZE, len, ctx); u64_stats_update_begin(&rx->statss); |