/*
* netsniff-ng - the packet sniffing beast
* Copyright 2009, 2010 Daniel Borkmann.
* Subject to the GPL, version 2.
*/
#ifndef RX_RING_H
#define RX_RING_H
#include "ring.h"
#include "built_in.h"
extern void destroy_rx_ring(int sock, struct ring *ring);
extern void create_rx_ring(int sock, struct ring *ring, int verbose);
extern void mmap_rx_ring(int sock, struct ring *ring);
extern void alloc_rx_ring_frames(struct ring *ring);
extern void bind_rx_ring(int sock, struct ring *ring, int ifindex);
extern void setup_rx_ring_layout(int sock, struct ring *ring,
unsigned int size, int jumbo_support);
static inline int user_may_pull_from_rx(struct tpacket2_hdr *hdr)
{
return ((hdr->tp_status & TP_STATUS_USER) == TP_STATUS_USER);
}
static inline void kernel_may_pull_from_rx(struct tpacket2_hdr *hdr)
{
hdr->tp_status = TP_STATUS_KERNEL;
}
#endif /* RX_RING_H */
git/'>net-next.git
Merge branch 'for-linus' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
"A set of fixes for this series. This contains:
- Set of fixes for the nvme target code
- A revert of patch from this merge window, causing a regression with
WRITE_SAME on iSCSI targets at least.
- A fix for a use-after-free in the new O_DIRECT bdev code.
- Two fixes for the xen-blkfront driver"
* 'for-linus' of git://git.kernel.dk/linux-block:
Revert "sd: remove __data_len hack for WRITE SAME"
nvme-fc: use blk_rq_nr_phys_segments
nvmet-rdma: Fix missing dma sync to nvme data structures
nvmet: Call fatal_error from keep-alive timout expiration
nvmet: cancel fatal error and flush async work before free controller
nvmet: delete controllers deletion upon subsystem release
nvmet_fc: correct logic in disconnect queue LS handling
block: fix use after free in __blkdev_direct_IO
xen-blkfront: correct maximum segment accounting
xen-blkfront: feature flags handling adjustments