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Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net

Browse source 
Pull networking fixes from David Miller:

 1) Fix several scatter gather list issues in kTLS code, from Jakub
    Kicinski.

 2) macb driver device remove has to kill the hresp_err_tasklet. From
    Chuhong Yuan.

 3) Several memory leak and reference count bug fixes in tipc, from Tung
    Nguyen.

 4) Fix mlx5 build error w/o ipv6, from Yue Haibing.

 5) Fix jumbo frame and other regressions in r8169, from Heiner
    Kallweit.

 6) Undo some BUG_ON()'s and replace them with WARN_ON_ONCE and proper
    error propagation/handling. From Paolo Abeni.

* git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (24 commits)
  openvswitch: remove another BUG_ON()
  openvswitch: drop unneeded BUG_ON() in ovs_flow_cmd_build_info()
  net: phy: realtek: fix using paged operations with RTL8105e / RTL8208
  r8169: fix resume on cable plug-in
  r8169: fix jumbo configuration for RTL8168evl
  net: emulex: benet: indent a Kconfig depends continuation line
  selftests: forwarding: fix race between packet receive and tc check
  net: sched: fix `tc -s class show` no bstats on class with nolock subqueues
  net: ethernet: ti: ale: ensure vlan/mdb deleted when no members
  net/mlx5e: Fix build error without IPV6
  selftests: pmtu: use -oneline for ip route list cache
  tipc: fix duplicate SYN messages under link congestion
  tipc: fix wrong timeout input for tipc_wait_for_cond()
  tipc: fix wrong socket reference counter after tipc_sk_timeout() returns
  tipc: fix potential memory leak in __tipc_sendmsg()
  net: macb: add missed tasklet_kill
  selftests: bpf: correct perror strings
  selftests: bpf: test_sockmap: handle file creation failures gracefully
  net/tls: use sg_next() to walk sg entries
  net/tls: remove the dead inplace_crypto code
  ...
This commit is contained in:
Linus Torvalds 2019-12-01 20:35:03 -08:00
commit c3bfc5dd73
24 changed files with 254 additions and 134 deletions
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28
include/linux/skmsg.h
View file

@ -14,6 +14,7 @@
#include <net/strparser.h>
#define MAX_MSG_FRAGS MAX_SKB_FRAGS
#define NR_MSG_FRAG_IDS (MAX_MSG_FRAGS + 1)
enum __sk_action {
__SK_DROP = 0,
@ -29,13 +30,15 @@ struct sk_msg_sg {
u32 size;
u32 copybreak;
unsigned long copy;
/* The extra element is used for chaining the front and sections when
* the list becomes partitioned (e.g. end < start). The crypto APIs
* require the chaining.
/* The extra two elements:
* 1) used for chaining the front and sections when the list becomes
* partitioned (e.g. end < start). The crypto APIs require the
* chaining;
* 2) to chain tailer SG entries after the message.
*/
struct scatterlist data[MAX_MSG_FRAGS + 1];
struct scatterlist data[MAX_MSG_FRAGS + 2];
};
static_assert(BITS_PER_LONG >= MAX_MSG_FRAGS);
static_assert(BITS_PER_LONG >= NR_MSG_FRAG_IDS);
/* UAPI in filter.c depends on struct sk_msg_sg being first element. */
struct sk_msg {
@ -142,13 +145,13 @@ static inline void sk_msg_apply_bytes(struct sk_psock *psock, u32 bytes)
static inline u32 sk_msg_iter_dist(u32 start, u32 end)
{
return end >= start ? end - start : end + (MAX_MSG_FRAGS - start);
return end >= start ? end - start : end + (NR_MSG_FRAG_IDS - start);
}
#define sk_msg_iter_var_prev(var) \
do { \
if (var == 0) \
var = MAX_MSG_FRAGS - 1; \
var = NR_MSG_FRAG_IDS - 1; \
else \
var--; \
} while (0)
@ -156,7 +159,7 @@ static inline u32 sk_msg_iter_dist(u32 start, u32 end)
#define sk_msg_iter_var_next(var) \
do { \
var++; \
if (var == MAX_MSG_FRAGS) \
if (var == NR_MSG_FRAG_IDS) \
var = 0; \
} while (0)
@ -173,9 +176,9 @@ static inline void sk_msg_clear_meta(struct sk_msg *msg)
static inline void sk_msg_init(struct sk_msg *msg)
{
BUILD_BUG_ON(ARRAY_SIZE(msg->sg.data) - 1 != MAX_MSG_FRAGS);
BUILD_BUG_ON(ARRAY_SIZE(msg->sg.data) - 1 != NR_MSG_FRAG_IDS);
memset(msg, 0, sizeof(*msg));
sg_init_marker(msg->sg.data, MAX_MSG_FRAGS);
sg_init_marker(msg->sg.data, NR_MSG_FRAG_IDS);
}
static inline void sk_msg_xfer(struct sk_msg *dst, struct sk_msg *src,
@ -196,14 +199,11 @@ static inline void sk_msg_xfer_full(struct sk_msg *dst, struct sk_msg *src)
static inline bool sk_msg_full(const struct sk_msg *msg)
{
return (msg->sg.end == msg->sg.start) && msg->sg.size;
return sk_msg_iter_dist(msg->sg.start, msg->sg.end) == MAX_MSG_FRAGS;
}
static inline u32 sk_msg_elem_used(const struct sk_msg *msg)
{
if (sk_msg_full(msg))
return MAX_MSG_FRAGS;
return sk_msg_iter_dist(msg->sg.start, msg->sg.end);
}