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Add link MTU size to network device structure.

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This commit is contained in:
Gregory Nutt
2014-11-16 08:49:14 -06:00
parent d6680d8524
commit ca7486d7f3
3 changed files with 42 additions and 12 deletions
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net/netdev/netdev_register.c
+4 -1
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@@ -83,7 +83,7 @@ static int g_next_devnum = 0;
* Public Data
****************************************************************************/
/* List of registered ethernet device drivers */
/* List of registered Ethernet device drivers */
struct net_driver_s *g_netdevices = NULL;
@@ -134,6 +134,7 @@ int netdev_register(FAR struct net_driver_s *dev, enum net_lltype_e lltype)
#ifdef CONFIG_NET_ETHERNET
case NET_LL_ETHERNET: /* Ethernet */
dev->d_llhdrlen = ETH_HDRLEN;
dev->d_llmtu = CONFIG_NET_ETH_MTU;
devfmt = NETDEV_ETH_FORMAT;
break;
#endif
@@ -141,6 +142,7 @@ int netdev_register(FAR struct net_driver_s *dev, enum net_lltype_e lltype)
#ifdef CONFIG_NET_SLIP
case NET_LL_SLIP: /* Serial Line Internet Protocol (SLIP) */
dev->d_llhdrlen = 0;
dev->d_llmtu = CONFIG_NET_SLIP_MTU;
devfmt = NETDEV_SLIP_FORMAT;
break;
#endif
@@ -148,6 +150,7 @@ int netdev_register(FAR struct net_driver_s *dev, enum net_lltype_e lltype)
#if 0 /* REVISIT: Not yet supported */
case NET_LL_PPP: /* Point-to-Point Protocol (PPP) */
dev->d_llhdrlen = 0;
dev->d_llmtu = CONFIG_NET_PPP_MTU;
devfmt = NETDEV_PPP_FORMAT;
break;
#endif