abc/lwip
1
0
Fork 0
mirror of https://git.savannah.nongnu.org/git/lwip.git synced 2026-05-27 10:41:12 +08:00
Code Issues Packages Projects Releases Wiki Activity

task #12178: hardware checksum capabilities can be configured per netif (use NETIF_SET_CHECKSUM_CTRL() in your netif's init function)

Browse Source
This commit is contained in:
sg
2015-09-01 22:04:15 +02:00
parent c4a1cad81b
commit aa0e41c389
13 changed files with 313 additions and 198 deletions
Download Patch File Download Diff File Expand all files Collapse all files

35
src/include/lwip/netif.h
View File

@@ -98,6 +98,21 @@ extern "C" {
* Set by the netif driver in its init function. */
#define NETIF_FLAG_MLD6 0x40U
#if LWIP_CHECKSUM_CTRL_PER_NETIF
#define NETIF_CHECKSUM_GEN_IP 0x0001
#define NETIF_CHECKSUM_GEN_UDP 0x0002
#define NETIF_CHECKSUM_GEN_TCP 0x0004
#define NETIF_CHECKSUM_GEN_ICMP 0x0008
#define NETIF_CHECKSUM_GEN_ICMP6 0x0010
#define NETIF_CHECKSUM_CHECK_IP 0x0100
#define NETIF_CHECKSUM_CHECK_UDP 0x0200
#define NETIF_CHECKSUM_CHECK_TCP 0x0400
#define NETIF_CHECKSUM_CHECK_ICMP 0x0800
#define NETIF_CHECKSUM_CHECK_ICMP6 0x1000
#define NETIF_CHECKSUM_ENABLE_ALL 0xFFFF
#define NETIF_CHECKSUM_DISABLE_ALL 0x0000
#endif /* LWIP_CHECKSUM_CTRL_PER_NETIF */
struct netif;
/** Function prototype for netif init functions. Set up flags and output/linkoutput
@@ -240,6 +255,9 @@ struct netif {
/* the hostname for this netif, NULL is a valid value */
char* hostname;
#endif /* LWIP_NETIF_HOSTNAME */
#if LWIP_CHECKSUM_CTRL_PER_NETIF
u16_t chksum_flags;
#endif /* LWIP_CHECKSUM_CTRL_PER_NETIF*/
/** maximum transfer unit (in bytes) */
u16_t mtu;
/** number of bytes used in hwaddr */
@@ -292,12 +310,21 @@ struct netif {
#endif /* ENABLE_LOOPBACK */
};
#if LWIP_CHECKSUM_CTRL_PER_NETIF
#define NETIF_SET_CHECKSUM_CTRL(netif, chksumflags) do { \
(netif)->chksum_flags = chksumflags; } while(0)
#define IF__NETIF_CHECKSUM_ENABLED(netif, chksumflag) if (((netif) == NULL) || (((netif)->chksum_flags & (chksumflag)) != 0))
#else /* LWIP_CHECKSUM_CTRL_PER_NETIF */
#define NETIF_SET_CHECKSUM_CTRL(netif, chksumflags)
#define IF__NETIF_CHECKSUM_ENABLED(netif, chksumflag)
#endif /* LWIP_CHECKSUM_CTRL_PER_NETIF */
#if LWIP_SNMP
#define NETIF_INIT_SNMP(netif, type, speed) \
#define NETIF_INIT_SNMP(netif, type, speed) do { \
/* use "snmp_ifType" enum from snmp.h for "type", snmp_ifType_ethernet_csmacd by example */ \
(netif)->link_type = (type); \
(netif)->link_type = (type); \
/* your link speed here (units: bits per second) */ \
(netif)->link_speed = (speed); \
(netif)->link_speed = (speed);\
(netif)->ts = 0; \
(netif)->ifinoctets = 0; \
(netif)->ifinucastpkts = 0; \
@@ -306,7 +333,7 @@ struct netif {
(netif)->ifoutoctets = 0; \
(netif)->ifoutucastpkts = 0; \
(netif)->ifoutnucastpkts = 0; \
(netif)->ifoutdiscards = 0
(netif)->ifoutdiscards = 0; } while(0)
#else /* LWIP_SNMP */
#define NETIF_INIT_SNMP(netif, type, speed)
#endif /* LWIP_SNMP */

10
src/include/lwip/opt.h
View File

@@ -2443,6 +2443,16 @@
---------- Checksum options ----------
--------------------------------------
*/
/**
* LWIP_CHECKSUM_CTRL_PER_NETIF==1: Checksum generation/check can be enabled/disabled
* per netif.
* ATTENTION: if enabled, the CHECKSUM_GEN_* and CHECKSUM_CHECK_* defines must be enabled!
*/
#ifndef LWIP_CHECKSUM_CTRL_PER_NETIF
#define LWIP_CHECKSUM_CTRL_PER_NETIF 0
#endif
/**
* CHECKSUM_GEN_IP==1: Generate checksums in software for outgoing IP packets.
*/