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| author | Alexander Aring <aahringo@redhat.com> | 2022-04-28 05:05:34 +0200 |
|---|---|---|
| committer | Stefan Schmidt <stefan@datenfreihafen.org> | 2022-06-09 21:53:28 +0200 |
| commit | f3de6f4eccddfcaf3f8b3674ab57a0646b572650 (patch) | |
| tree | 8d92396a3ef6cb763103c15e6b5079dc760ebe1b /net/6lowpan | |
| parent | net: 6lowpan: use array for find nhc id (diff) | |
| download | linux-f3de6f4eccddfcaf3f8b3674ab57a0646b572650.tar.xz linux-f3de6f4eccddfcaf3f8b3674ab57a0646b572650.zip | |
net: 6lowpan: constify lowpan_nhc structures
This patch constify the lowpan_nhc declarations. Since we drop the rb
node datastructure there is no need for runtime manipulation of this
structure.
Signed-off-by: Alexander Aring <aahringo@redhat.com>
Reviewed-by: Stefan Schmidt <stefan@datenfreihafen.org>
Acked-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
Link: https://lore.kernel.org/r/20220428030534.3220410-4-aahringo@redhat.com
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Diffstat (limited to 'net/6lowpan')
| -rw-r--r-- | net/6lowpan/nhc.c | 16 | ||||
| -rw-r--r-- | net/6lowpan/nhc.h | 6 |
2 files changed, 11 insertions, 11 deletions
diff --git a/net/6lowpan/nhc.c b/net/6lowpan/nhc.c index 019f121b2449..7b374595328d 100644 --- a/net/6lowpan/nhc.c +++ b/net/6lowpan/nhc.c @@ -12,12 +12,12 @@ #include "nhc.h" -static struct lowpan_nhc *lowpan_nexthdr_nhcs[NEXTHDR_MAX + 1]; +static const struct lowpan_nhc *lowpan_nexthdr_nhcs[NEXTHDR_MAX + 1]; static DEFINE_SPINLOCK(lowpan_nhc_lock); -static struct lowpan_nhc *lowpan_nhc_by_nhcid(struct sk_buff *skb) +static const struct lowpan_nhc *lowpan_nhc_by_nhcid(struct sk_buff *skb) { - struct lowpan_nhc *nhc; + const struct lowpan_nhc *nhc; int i; u8 id; @@ -41,7 +41,7 @@ static struct lowpan_nhc *lowpan_nhc_by_nhcid(struct sk_buff *skb) int lowpan_nhc_check_compression(struct sk_buff *skb, const struct ipv6hdr *hdr, u8 **hc_ptr) { - struct lowpan_nhc *nhc; + const struct lowpan_nhc *nhc; int ret = 0; spin_lock_bh(&lowpan_nhc_lock); @@ -59,7 +59,7 @@ int lowpan_nhc_do_compression(struct sk_buff *skb, const struct ipv6hdr *hdr, u8 **hc_ptr) { int ret; - struct lowpan_nhc *nhc; + const struct lowpan_nhc *nhc; spin_lock_bh(&lowpan_nhc_lock); @@ -102,7 +102,7 @@ int lowpan_nhc_do_uncompression(struct sk_buff *skb, const struct net_device *dev, struct ipv6hdr *hdr) { - struct lowpan_nhc *nhc; + const struct lowpan_nhc *nhc; int ret; spin_lock_bh(&lowpan_nhc_lock); @@ -138,7 +138,7 @@ int lowpan_nhc_do_uncompression(struct sk_buff *skb, return 0; } -int lowpan_nhc_add(struct lowpan_nhc *nhc) +int lowpan_nhc_add(const struct lowpan_nhc *nhc) { int ret = 0; @@ -156,7 +156,7 @@ out: } EXPORT_SYMBOL(lowpan_nhc_add); -void lowpan_nhc_del(struct lowpan_nhc *nhc) +void lowpan_nhc_del(const struct lowpan_nhc *nhc) { spin_lock_bh(&lowpan_nhc_lock); diff --git a/net/6lowpan/nhc.h b/net/6lowpan/nhc.h index 9df602a632bd..ab7b4977c32b 100644 --- a/net/6lowpan/nhc.h +++ b/net/6lowpan/nhc.h @@ -24,7 +24,7 @@ #define LOWPAN_NHC(__nhc, _name, _nexthdr, \ _hdrlen, _id, _idmask, \ _uncompress, _compress) \ -static struct lowpan_nhc __nhc = { \ +static const struct lowpan_nhc __nhc = { \ .name = _name, \ .nexthdr = _nexthdr, \ .nexthdrlen = _hdrlen, \ @@ -116,14 +116,14 @@ int lowpan_nhc_do_uncompression(struct sk_buff *skb, * * @nhc: nhc which should be add. */ -int lowpan_nhc_add(struct lowpan_nhc *nhc); +int lowpan_nhc_add(const struct lowpan_nhc *nhc); /** * lowpan_nhc_del - delete a next header compression from framework * * @nhc: nhc which should be delete. */ -void lowpan_nhc_del(struct lowpan_nhc *nhc); +void lowpan_nhc_del(const struct lowpan_nhc *nhc); /** * lowpan_nhc_init - adding all default nhcs |