diff options
Diffstat (limited to 'net/core')
-rw-r--r-- | net/core/datagram.c | 6 | ||||
-rw-r--r-- | net/core/dev.c | 2 | ||||
-rw-r--r-- | net/core/pktgen.c | 2 | ||||
-rw-r--r-- | net/core/skbuff.c | 54 |
4 files changed, 33 insertions, 31 deletions
diff --git a/net/core/datagram.c b/net/core/datagram.c index 45a162ef5e02..4cc8dc5db2b7 100644 --- a/net/core/datagram.c +++ b/net/core/datagram.c @@ -442,8 +442,8 @@ static int __skb_datagram_iter(const struct sk_buff *skb, int offset, if (copy > len) copy = len; - n = cb(vaddr + frag->page_offset + - offset - start, copy, data, to); + n = cb(vaddr + skb_frag_off(frag) + offset - start, + copy, data, to); kunmap(page); offset += n; if (n != copy) @@ -573,7 +573,7 @@ int skb_copy_datagram_from_iter(struct sk_buff *skb, int offset, if (copy > len) copy = len; copied = copy_page_from_iter(skb_frag_page(frag), - frag->page_offset + offset - start, + skb_frag_off(frag) + offset - start, copy, from); if (copied != copy) goto fault; diff --git a/net/core/dev.c b/net/core/dev.c index fc676b2610e3..e2a11c62197b 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -5481,7 +5481,7 @@ static void gro_pull_from_frag0(struct sk_buff *skb, int grow) skb->data_len -= grow; skb->tail += grow; - pinfo->frags[0].page_offset += grow; + skb_frag_off_add(&pinfo->frags[0], grow); skb_frag_size_sub(&pinfo->frags[0], grow); if (unlikely(!skb_frag_size(&pinfo->frags[0]))) { diff --git a/net/core/pktgen.c b/net/core/pktgen.c index bb9915291644..c5dbdc87342a 100644 --- a/net/core/pktgen.c +++ b/net/core/pktgen.c @@ -2652,7 +2652,7 @@ static void pktgen_finalize_skb(struct pktgen_dev *pkt_dev, struct sk_buff *skb, } get_page(pkt_dev->page); skb_frag_set_page(skb, i, pkt_dev->page); - skb_shinfo(skb)->frags[i].page_offset = 0; + skb_frag_off_set(&skb_shinfo(skb)->frags[i], 0); /*last fragment, fill rest of data*/ if (i == (frags - 1)) skb_frag_size_set(&skb_shinfo(skb)->frags[i], diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 0b788df5a75b..ea8e8d332d85 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -785,7 +785,7 @@ void skb_dump(const char *level, const struct sk_buff *skb, bool full_pkt) struct page *p; u8 *vaddr; - skb_frag_foreach_page(frag, frag->page_offset, + skb_frag_foreach_page(frag, skb_frag_off(frag), skb_frag_size(frag), p, p_off, p_len, copied) { seg_len = min_t(int, p_len, len); @@ -1375,7 +1375,7 @@ int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask) struct page *p; u8 *vaddr; - skb_frag_foreach_page(f, f->page_offset, skb_frag_size(f), + skb_frag_foreach_page(f, skb_frag_off(f), skb_frag_size(f), p, p_off, p_len, copied) { u32 copy, done = 0; vaddr = kmap_atomic(p); @@ -2144,10 +2144,12 @@ pull_pages: skb_frag_unref(skb, i); eat -= size; } else { - skb_shinfo(skb)->frags[k] = skb_shinfo(skb)->frags[i]; + skb_frag_t *frag = &skb_shinfo(skb)->frags[k]; + + *frag = skb_shinfo(skb)->frags[i]; if (eat) { - skb_shinfo(skb)->frags[k].page_offset += eat; - skb_frag_size_sub(&skb_shinfo(skb)->frags[k], eat); + skb_frag_off_add(frag, eat); + skb_frag_size_sub(frag, eat); if (!i) goto end; eat = 0; @@ -2219,7 +2221,7 @@ int skb_copy_bits(const struct sk_buff *skb, int offset, void *to, int len) copy = len; skb_frag_foreach_page(f, - f->page_offset + offset - start, + skb_frag_off(f) + offset - start, copy, p, p_off, p_len, copied) { vaddr = kmap_atomic(p); memcpy(to + copied, vaddr + p_off, p_len); @@ -2395,7 +2397,7 @@ static bool __skb_splice_bits(struct sk_buff *skb, struct pipe_inode_info *pipe, const skb_frag_t *f = &skb_shinfo(skb)->frags[seg]; if (__splice_segment(skb_frag_page(f), - f->page_offset, skb_frag_size(f), + skb_frag_off(f), skb_frag_size(f), offset, len, spd, false, sk, pipe)) return true; } @@ -2498,7 +2500,7 @@ do_frag_list: while (slen) { ret = kernel_sendpage_locked(sk, skb_frag_page(frag), - frag->page_offset + offset, + skb_frag_off(frag) + offset, slen, MSG_DONTWAIT); if (ret <= 0) goto error; @@ -2580,7 +2582,7 @@ int skb_store_bits(struct sk_buff *skb, int offset, const void *from, int len) copy = len; skb_frag_foreach_page(frag, - frag->page_offset + offset - start, + skb_frag_off(frag) + offset - start, copy, p, p_off, p_len, copied) { vaddr = kmap_atomic(p); memcpy(vaddr + p_off, from + copied, p_len); @@ -2660,7 +2662,7 @@ __wsum __skb_checksum(const struct sk_buff *skb, int offset, int len, copy = len; skb_frag_foreach_page(frag, - frag->page_offset + offset - start, + skb_frag_off(frag) + offset - start, copy, p, p_off, p_len, copied) { vaddr = kmap_atomic(p); csum2 = INDIRECT_CALL_1(ops->update, @@ -2759,7 +2761,7 @@ __wsum skb_copy_and_csum_bits(const struct sk_buff *skb, int offset, copy = len; skb_frag_foreach_page(frag, - frag->page_offset + offset - start, + skb_frag_off(frag) + offset - start, copy, p, p_off, p_len, copied) { vaddr = kmap_atomic(p); csum2 = csum_partial_copy_nocheck(vaddr + p_off, @@ -3234,7 +3236,7 @@ static inline void skb_split_no_header(struct sk_buff *skb, * 2. Split is accurately. We make this. */ skb_frag_ref(skb, i); - skb_shinfo(skb1)->frags[0].page_offset += len - pos; + skb_frag_off_add(&skb_shinfo(skb1)->frags[0], len - pos); skb_frag_size_sub(&skb_shinfo(skb1)->frags[0], len - pos); skb_frag_size_set(&skb_shinfo(skb)->frags[i], len - pos); skb_shinfo(skb)->nr_frags++; @@ -3316,7 +3318,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen) */ if (!to || !skb_can_coalesce(tgt, to, skb_frag_page(fragfrom), - fragfrom->page_offset)) { + skb_frag_off(fragfrom))) { merge = -1; } else { merge = to - 1; @@ -3333,7 +3335,7 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen) skb_frag_size_add(fragto, shiftlen); skb_frag_size_sub(fragfrom, shiftlen); - fragfrom->page_offset += shiftlen; + skb_frag_off_add(fragfrom, shiftlen); goto onlymerged; } @@ -3364,11 +3366,11 @@ int skb_shift(struct sk_buff *tgt, struct sk_buff *skb, int shiftlen) } else { __skb_frag_ref(fragfrom); - fragto->bv_page = fragfrom->bv_page; - fragto->page_offset = fragfrom->page_offset; + skb_frag_page_copy(fragto, fragfrom); + skb_frag_off_copy(fragto, fragfrom); skb_frag_size_set(fragto, todo); - fragfrom->page_offset += todo; + skb_frag_off_add(fragfrom, todo); skb_frag_size_sub(fragfrom, todo); todo = 0; @@ -3493,7 +3495,7 @@ next_skb: if (!st->frag_data) st->frag_data = kmap_atomic(skb_frag_page(frag)); - *data = (u8 *) st->frag_data + frag->page_offset + + *data = (u8 *) st->frag_data + skb_frag_off(frag) + (abs_offset - st->stepped_offset); return block_limit - abs_offset; @@ -3630,8 +3632,8 @@ static inline skb_frag_t skb_head_frag_to_page_desc(struct sk_buff *frag_skb) page = virt_to_head_page(frag_skb->head); __skb_frag_set_page(&head_frag, page); - head_frag.page_offset = frag_skb->data - - (unsigned char *)page_address(page); + skb_frag_off_set(&head_frag, frag_skb->data - + (unsigned char *)page_address(page)); skb_frag_size_set(&head_frag, skb_headlen(frag_skb)); return head_frag; } @@ -3875,7 +3877,7 @@ normal: size = skb_frag_size(nskb_frag); if (pos < offset) { - nskb_frag->page_offset += offset - pos; + skb_frag_off_add(nskb_frag, offset - pos); skb_frag_size_sub(nskb_frag, offset - pos); } @@ -3996,7 +3998,7 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb) *--frag = *--frag2; } while (--i); - frag->page_offset += offset; + skb_frag_off_add(frag, offset); skb_frag_size_sub(frag, offset); /* all fragments truesize : remove (head size + sk_buff) */ @@ -4026,7 +4028,7 @@ int skb_gro_receive(struct sk_buff *p, struct sk_buff *skb) pinfo->nr_frags = nr_frags + 1 + skbinfo->nr_frags; __skb_frag_set_page(frag, page); - frag->page_offset = first_offset; + skb_frag_off_set(frag, first_offset); skb_frag_size_set(frag, first_size); memcpy(frag + 1, skbinfo->frags, sizeof(*frag) * skbinfo->nr_frags); @@ -4042,7 +4044,7 @@ merge: if (offset > headlen) { unsigned int eat = offset - headlen; - skbinfo->frags[0].page_offset += eat; + skb_frag_off_add(&skbinfo->frags[0], eat); skb_frag_size_sub(&skbinfo->frags[0], eat); skb->data_len -= eat; skb->len -= eat; @@ -4167,7 +4169,7 @@ __skb_to_sgvec(struct sk_buff *skb, struct scatterlist *sg, int offset, int len, if (copy > len) copy = len; sg_set_page(&sg[elt], skb_frag_page(frag), copy, - frag->page_offset+offset-start); + skb_frag_off(frag) + offset - start); elt++; if (!(len -= copy)) return elt; @@ -5838,7 +5840,7 @@ static int pskb_carve_inside_nonlinear(struct sk_buff *skb, const u32 off, * where splitting is expensive. * 2. Split is accurately. We make this. */ - shinfo->frags[0].page_offset += off - pos; + skb_frag_off_add(&shinfo->frags[0], off - pos); skb_frag_size_sub(&shinfo->frags[0], off - pos); } skb_frag_ref(skb, i); |