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tap: make tap_update_mac() generic

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Use ethhdr rather than tap_hdr.

Signed-off-by: Laurent Vivier <lvivier@redhat.com>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Message-ID: <20240303135114.1023026-9-lvivier@redhat.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>
This commit is contained in:
Laurent Vivier 2024-03-06 16:58:37 +11:00 • committed by Stefano Brivio
parent 7df624e79a
commit 6b22e10a26
4 changed files with 12 additions and 12 deletions

10
tap.c
View file

@ -419,18 +419,18 @@ size_t tap_send_frames(const struct ctx *c, const struct iovec *iov, size_t n)
}
/**
* tap_update_mac() - Update tap L2 header with new Ethernet addresses
* @taph: Tap headers to update
* eth_update_mac() - Update tap L2 header with new Ethernet addresses
* @eh: Ethernet headers to update
* @eth_d: Ethernet destination address, NULL if unchanged
* @eth_s: Ethernet source address, NULL if unchanged
*/
void tap_update_mac(struct tap_hdr *taph,
void eth_update_mac(struct ethhdr *eh,
const unsigned char *eth_d, const unsigned char *eth_s)
{
if (eth_d)
memcpy(taph->eh.h_dest, eth_d, sizeof(taph->eh.h_dest));
memcpy(eh->h_dest, eth_d, sizeof(eh->h_dest));
if (eth_s)
memcpy(taph->eh.h_source, eth_s, sizeof(taph->eh.h_source));
memcpy(eh->h_source, eth_s, sizeof(eh->h_source));
}
PACKET_POOL_DECL(pool_l4, UIO_MAXIOV, pkt_buf);