Messages in this thread | | | Subject | Re: [PATCH net] net: dsa: report rx_bytes unadjusted for ETH_HLEN | From | patchwork-bot+netdevbpf@kernel ... | Date | Mon, 20 Mar 2023 09:20:17 +0000 |
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Hello:
This patch was applied to netdev/net.git (main) by David S. Miller <davem@davemloft.net>:
On Sat, 18 Mar 2023 01:19:00 +0200 you wrote: > We collect the software statistics counters for RX bytes (reported to > /proc/net/dev and to ethtool -S $dev | grep 'rx_bytes: ") at a time when > skb->len has already been adjusted by the eth_type_trans() -> > skb_pull_inline(skb, ETH_HLEN) call to exclude the L2 header. > > This means that when connecting 2 DSA interfaces back to back and > sending 1 packet with length 100, the sending interface will report > tx_bytes as incrementing by 100, and the receiving interface will report > rx_bytes as incrementing by 86. > > [...]
Here is the summary with links: - [net] net: dsa: report rx_bytes unadjusted for ETH_HLEN https://git.kernel.org/netdev/net/c/a8eff03545d4
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