diff options
author | Pablo Neira Ayuso <pablo@netfilter.org> | 2023-08-20 23:22:32 +0200 |
---|---|---|
committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2023-08-20 23:30:36 +0200 |
commit | 91d2c947b473b3540be5474c7128a5fa4ce60934 (patch) | |
tree | 057fae93bb52b981e611dad7fd018bb578a702da /include/libnetfilter_queue/pktbuff.h | |
parent | 8020c6705834cf62e9536d6bc278e3daa9bd8160 (diff) |
src: add alternative API to set up packet buffer
pktb_setup_raw() is a new function to initialise a new struct pkt_buff.
It takes the memory area to be used to store pkt_buff structure and the
data. Data is attached to the packet buffer (not copied), ie. the packet
buffer data points to the provided data pointer.
pktb_head_size() is a new function to return the amount of memory to
reserve for a new struct pkt_buff.
Extend documentation pon pktb_alloc().
Mostly original patch from Duncan Roe <duncan_roe@optusnet.com.au>.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Diffstat (limited to 'include/libnetfilter_queue/pktbuff.h')
-rw-r--r-- | include/libnetfilter_queue/pktbuff.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/libnetfilter_queue/pktbuff.h b/include/libnetfilter_queue/pktbuff.h index 42bc153..a4cc2a1 100644 --- a/include/libnetfilter_queue/pktbuff.h +++ b/include/libnetfilter_queue/pktbuff.h @@ -6,6 +6,9 @@ struct pkt_buff; struct pkt_buff *pktb_alloc(int family, void *data, size_t len, size_t extra); void pktb_free(struct pkt_buff *pktb); +struct pkt_buff *pktb_setup_raw(void *pktb, int family, void *data, size_t len, size_t extra); +size_t pktb_head_size(void); + uint8_t *pktb_data(struct pkt_buff *pktb); uint32_t pktb_len(struct pkt_buff *pktb); |