summaryrefslogtreecommitdiff
path: root/include/linux
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/if_packet.h20
-rw-r--r--include/linux/skbuff.h3
2 files changed, 18 insertions, 5 deletions
diff --git a/include/linux/if_packet.h b/include/linux/if_packet.h
index 18db0668065a..5b2badeb9497 100644
--- a/include/linux/if_packet.h
+++ b/include/linux/if_packet.h
@@ -46,6 +46,8 @@ struct sockaddr_ll
#define PACKET_VERSION 10
#define PACKET_HDRLEN 11
#define PACKET_RESERVE 12
+#define PACKET_TX_RING 13
+#define PACKET_LOSS 14
struct tpacket_stats
{
@@ -63,14 +65,22 @@ struct tpacket_auxdata
__u16 tp_vlan_tci;
};
+/* Rx ring - header status */
+#define TP_STATUS_KERNEL 0x0
+#define TP_STATUS_USER 0x1
+#define TP_STATUS_COPY 0x2
+#define TP_STATUS_LOSING 0x4
+#define TP_STATUS_CSUMNOTREADY 0x8
+
+/* Tx ring - header status */
+#define TP_STATUS_AVAILABLE 0x0
+#define TP_STATUS_SEND_REQUEST 0x1
+#define TP_STATUS_SENDING 0x2
+#define TP_STATUS_WRONG_FORMAT 0x4
+
struct tpacket_hdr
{
unsigned long tp_status;
-#define TP_STATUS_KERNEL 0
-#define TP_STATUS_USER 1
-#define TP_STATUS_COPY 2
-#define TP_STATUS_LOSING 4
-#define TP_STATUS_CSUMNOTREADY 8
unsigned int tp_len;
unsigned int tp_snaplen;
unsigned short tp_mac;
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 1b5c3d298f43..aff494ba6a31 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -203,6 +203,9 @@ struct skb_shared_info {
#ifdef CONFIG_HAS_DMA
dma_addr_t dma_maps[MAX_SKB_FRAGS + 1];
#endif
+ /* Intermediate layers must ensure that destructor_arg
+ * remains valid until skb destructor */
+ void * destructor_arg;
};
/* We divide dataref into two halves. The higher 16 bits hold references