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Split HWCSUM into two components: RX and TX, for the benefit of drivers

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which can only do checksum offloading in one direction.
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Jonathan Lemon 2001-09-18 20:13:03 +00:00
parent 3f9e888ebe
commit f7d866924c
1 changed files with 5 additions and 2 deletions
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7
sys/net/if.h
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@ -137,8 +137,11 @@ struct if_data {
IFF_SIMPLEX|IFF_MULTICAST|IFF_ALLMULTI|IFF_SMART)
/* Capabilities that interfaces can advertise. */
#define IFCAP_HWCSUM 0x0001 /* can do hardware checksums */
#define IFCAP_NETCONS 0x0002 /* can be a network console */
#define IFCAP_RXCSUM 0x0001 /* can offload checksum on RX */
#define IFCAP_TXCSUM 0x0002 /* can offload checksum on TX */
#define IFCAP_NETCONS 0x0004 /* can be a network console */
#define IFCAP_HWCSUM (IFCAP_RXCSUM | IFCAP_TXCSUM)
#define IFQ_MAXLEN 50
#define IFNET_SLOWHZ 1 /* granularity is 1 second */