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Message-ID: <de0a9dcb1003010302p2f81aa17ubdbb29bb007d50cf@mail.gmail.com> Date: Mon, 1 Mar 2010 16:32:17 +0530 From: raj ravi <mekaviraj@...il.com> To: netdev@...r.kernel.org Subject: NETIF_F_FRAGLIST and NETIF_F_SG difference Hi, http://lxr.linux.no/#linux+v2.6.33/include/linux/netdevice.h In include/linux/netdevice.h I can see two definiton for "Scatter Gather IO" namely NETIF_F_FRAGLIST and NETIF_F_SG Please let me know the difference between the two.... if there is no difference why two Macros ?? #define NETIF_F_SG 1 /* Scatter/gather IO. */ #define NETIF_F_IP_CSUM 2 /* Can checksum TCP/UDP over IPv4. */ #define NETIF_F_NO_CSUM 4 /* Does not require checksum. F.e. loopack. */ #define NETIF_F_HW_CSUM 8 /* Can checksum all the packets. */ #define NETIF_F_IPV6_CSUM 16 /* Can checksum TCP/UDP over IPV6 */ #define NETIF_F_HIGHDMA 32 /* Can DMA to high memory. */ #define NETIF_F_FRAGLIST 64 /* Scatter/gather IO. */ Thx! Kavi -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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