/* * netsniff-ng - the packet sniffing beast * Copyright (C) 2012 Christoph Jaeger * Subject to the GPL, version 2. */ #ifndef PKT_BUFF_H #define PKT_BUFF_H #include "hash.h" #include "built_in.h" #include "proto.h" #include "xmalloc.h" struct pkt_buff { /* invariant: head <= data <= tail */ uint8_t *head; uint8_t *data; uint8_t *tail; unsigned int size; struct protocol *proto; }; static inline struct pkt_buff *pkt_alloc(uint8_t *packet, unsigned int len) { struct pkt_buff *pkt = xmalloc(sizeof(*pkt)); pkt->head = packet; pkt->data = packet; pkt->tail = packet + len; pkt->size = len; pkt->proto = NULL; return pkt; } static inline void pkt_free(struct pkt_buff *pkt) { xfree(pkt); } static inline unsigned int pkt_len(struct pkt_buff *pkt) { bug_on(!pkt || pkt->data > pkt->tail); return pkt->tail - pkt->data; } static inline uint8_t *pkt_pull(struct pkt_buff *pkt, unsigned int len) { uint8_t *data = NULL; bug_on(!pkt || pkt->head > pkt->data || pkt->data > pkt->tail); if (len <= pkt_len(pkt)) { data = pkt->data; pkt->data += len; } bug_on(!pkt || pkt->head > pkt->data || pkt->data > pkt->tail); return data; } static inline uint8_t *pkt_peek(struct pkt_buff *pkt) { bug_on(!pkt || pkt->head > pkt->data || pkt->data > pkt->tail); return pkt->data; } static inline unsigned int pkt_trim(struct pkt_buff *pkt, unsigned int len) { unsigned int ret = 0; bug_on(!pkt || pkt->head > pkt->data || pkt->data > pkt->tail); if (len <= pkt_len(pkt)) ret = len; pkt->tail -= ret; bug_on(!pkt || pkt->head > pkt->data || pkt->data > pkt->tail); return ret; } static inline uint8_t *pkt_pull_tail(struct pkt_buff *pkt, unsigned int len) { uint8_t *tail = NULL; bug_on(!pkt || pkt->head > pkt->data || pkt->data > pkt->tail); if (len <= pkt_len(pkt)) { tail = pkt->tail; pkt->tail -= len; } return tail; } static inline void pkt_set_proto(struct pkt_buff *pkt, struct hash_table *table, unsigned int key) { bug_on(!pkt || !table); pkt->proto = (struct protocol *) lookup_hash(key, table); while (pkt->proto && key != pkt->proto->key) pkt->proto = pkt->proto->next; } #endif /* PKT_BUFF_H */ method='get' action='/cgit.cgi/linux/net-next.git/log/arch/powerpc/platforms/8xx'>
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authorBharat Bhushan <r65777@freescale.com>2014-05-13 12:18:22 +0530
committerScott Wood <scottwood@freescale.com>2014-06-25 18:49:39 -0500
commit2759a7f13da3470919fe9e95f77ed565fe9d1975 (patch)
tree430e88bf13561c80afff25e0dc1624840777fdfb /arch/powerpc/platforms/8xx
parentc152833949a07f3cde8fa1e34dec80614085a159 (diff)
booke/powerpc: define wimge shift mask to fix compilation error
This fixes below compilation error on SOCs where CONFIG_PHYS_64BIT is not defined: arch/powerpc/kvm/e500_mmu_host.c: In function 'kvmppc_e500_shadow_map': | arch/powerpc/kvm/e500_mmu_host.c:631:20: error: 'PTE_WIMGE_SHIFT' undeclared (first use in this function) | wimg = (*ptep >> PTE_WIMGE_SHIFT) & MAS2_WIMGE_MASK; | ^ | arch/powerpc/kvm/e500_mmu_host.c:631:20: note: each undeclared identifier is reported only once for each function it appears in | make[1]: *** [arch/powerpc/kvm/e500_mmu_host.o] Error 1 Signed-off-by: Bharat Bhushan <Bharat.Bhushan@freescale.com> Signed-off-by: Scott Wood <scottwood@freescale.com>
Diffstat (limited to 'arch/powerpc/platforms/8xx')