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Enable 'complete' rx checksum offloading (i.e. let chip calculate checksums

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with pseudo header for tcp/udp packets). This could save one in_pseudo() call
per incoming tcp/udp packet.

Approved by:	glebius (mentor)
MFC after:	3 weeks
This commit is contained in:
Oleg Bulyzhin 2006-02-02 09:58:31 +00:00
parent b7918ba53a
commit ee7ef91c36
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=155207
1 changed files with 3 additions and 2 deletions
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5
sys/dev/bge/if_bge.c
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@ -1099,7 +1099,7 @@ bge_chipinit(sc)
*/
CSR_WRITE_4(sc, BGE_MODE_CTL, BGE_DMA_SWAP_OPTIONS|
BGE_MODECTL_MAC_ATTN_INTR|BGE_MODECTL_HOST_SEND_BDS|
BGE_MODECTL_TX_NO_PHDR_CSUM|BGE_MODECTL_RX_NO_PHDR_CSUM);
BGE_MODECTL_TX_NO_PHDR_CSUM);
/*
* Disable memory write invalidate. Apparently it is not supported
@ -2636,7 +2636,8 @@ bge_rxeof(sc)
m->m_pkthdr.len >= ETHER_MIN_NOPAD) {
m->m_pkthdr.csum_data =
cur_rx->bge_tcp_udp_csum;
m->m_pkthdr.csum_flags |= CSUM_DATA_VALID;
m->m_pkthdr.csum_flags |=
CSUM_DATA_VALID | CSUM_PSEUDO_HDR;
}
}