diff options
| author | Alexander Aring <alex.aring@gmail.com> | 2015-09-18 11:30:41 +0200 |
|---|---|---|
| committer | Marcel Holtmann <marcel@holtmann.org> | 2015-09-22 11:51:20 +0200 |
| commit | a1da67b8117ddbe88c770b48b5b1527393b8c9c0 (patch) | |
| tree | 57a76f73c329752f9543ae151ec6a45a969ec29d /net/ieee802154/header_ops.c | |
| parent | cdd38b219eec2e1b83c0a02d89d372f9656648eb (diff) | |
| download | linux-a1da67b8117ddbe88c770b48b5b1527393b8c9c0.tar.bz2 | |
ieee802154: header_ops: fix frame control setting
Sometimes upper-layer protocols wants to generate a new mac header by
filling "struct ieee802154_hdr" only. These upper-layers sets for the
address settings the source and dest fields, but not the fc fields for
indicate the source and dest address mode. This patch changes the
"ieee802154_hdr_push" function so the fc address fields are set
according the source and dest fields of "struct ieee802154_hdr".
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Diffstat (limited to 'net/ieee802154/header_ops.c')
| -rw-r--r-- | net/ieee802154/header_ops.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/net/ieee802154/header_ops.c b/net/ieee802154/header_ops.c index a051b6993177..d8443b057022 100644 --- a/net/ieee802154/header_ops.c +++ b/net/ieee802154/header_ops.c @@ -83,35 +83,35 @@ ieee802154_hdr_push_sechdr(u8 *buf, const struct ieee802154_sechdr *hdr) } int -ieee802154_hdr_push(struct sk_buff *skb, const struct ieee802154_hdr *hdr) +ieee802154_hdr_push(struct sk_buff *skb, struct ieee802154_hdr *hdr) { u8 buf[MAC802154_FRAME_HARD_HEADER_LEN]; int pos = 2; int rc; - struct ieee802154_hdr_fc fc = hdr->fc; + struct ieee802154_hdr_fc *fc = &hdr->fc; buf[pos++] = hdr->seq; - fc.dest_addr_mode = hdr->dest.mode; + fc->dest_addr_mode = hdr->dest.mode; rc = ieee802154_hdr_push_addr(buf + pos, &hdr->dest, false); if (rc < 0) return -EINVAL; pos += rc; - fc.source_addr_mode = hdr->source.mode; + fc->source_addr_mode = hdr->source.mode; if (hdr->source.pan_id == hdr->dest.pan_id && hdr->dest.mode != IEEE802154_ADDR_NONE) - fc.intra_pan = true; + fc->intra_pan = true; - rc = ieee802154_hdr_push_addr(buf + pos, &hdr->source, fc.intra_pan); + rc = ieee802154_hdr_push_addr(buf + pos, &hdr->source, fc->intra_pan); if (rc < 0) return -EINVAL; pos += rc; - if (fc.security_enabled) { - fc.version = 1; + if (fc->security_enabled) { + fc->version = 1; rc = ieee802154_hdr_push_sechdr(buf + pos, &hdr->sec); if (rc < 0) @@ -120,7 +120,7 @@ ieee802154_hdr_push(struct sk_buff *skb, const struct ieee802154_hdr *hdr) pos += rc; } - memcpy(buf, &fc, 2); + memcpy(buf, fc, 2); memcpy(skb_push(skb, pos), buf, pos); |