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devlink: Move dpipe context from heap to stack

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Move dpipe context to stack instead of dynamically.

Signed-off-by: Arkadi Sharshevsky <arkadis@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
This commit is contained in:
Arkadi Sharshevsky 2018-02-14 10:55:20 +02:00 committed by Stephen Hemminger
parent 06dd94f952
commit 06a2cda9b0
1 changed files with 27 additions and 40 deletions
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67
devlink/devlink.c
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@ -2882,25 +2882,15 @@ static void dpipe_header_del(struct dpipe_header *header)
list_del(&header->list);
}
static struct dpipe_ctx *dpipe_ctx_alloc(struct dl *dl)
static int dpipe_ctx_init(struct dpipe_ctx *ctx, struct dl *dl)
{
struct dpipe_ctx *ctx;
ctx = calloc(1, sizeof(struct dpipe_ctx));
if (!ctx)
return NULL;
ctx->dl = dl;
INIT_LIST_HEAD(&ctx->global_headers);
INIT_LIST_HEAD(&ctx->local_headers);
return ctx;
return 0;
}
static void dpipe_ctx_free(struct dpipe_ctx *ctx)
{
free(ctx);
}
static void dpipe_ctx_clear(struct dpipe_ctx *ctx)
static void dpipe_ctx_fini(struct dpipe_ctx *ctx)
{
struct dpipe_header *header, *tmp;
@ -3171,7 +3161,7 @@ static int cmd_dpipe_header_cb(const struct nlmsghdr *nlh, void *data)
static int cmd_dpipe_headers_show(struct dl *dl)
{
struct nlmsghdr *nlh;
struct dpipe_ctx *ctx;
struct dpipe_ctx ctx = {};
uint16_t flags = NLM_F_REQUEST | NLM_F_ACK;
int err;
@ -3181,20 +3171,19 @@ static int cmd_dpipe_headers_show(struct dl *dl)
if (err)
return err;
ctx = dpipe_ctx_alloc(dl);
if (!ctx)
return -ENOMEM;
err = dpipe_ctx_init(&ctx, dl);
if (err)
return err;
ctx->print_headers = true;
ctx.print_headers = true;
pr_out_section_start(dl, "header");
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, ctx);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
if (err)
pr_err("error get headers %s\n", strerror(ctx->err));
pr_err("error get headers %s\n", strerror(ctx.err));
pr_out_section_end(dl);
dpipe_ctx_clear(ctx);
dpipe_ctx_free(ctx);
dpipe_ctx_fini(&ctx);
return err;
}
@ -3532,13 +3521,13 @@ static int cmd_dpipe_table_show_cb(const struct nlmsghdr *nlh, void *data)
static int cmd_dpipe_table_show(struct dl *dl)
{
struct nlmsghdr *nlh;
struct dpipe_ctx *ctx;
struct dpipe_ctx ctx = {};
uint16_t flags = NLM_F_REQUEST;
int err;
ctx = dpipe_ctx_alloc(dl);
if (!ctx)
return -ENOMEM;
err = dpipe_ctx_init(&ctx, dl);
if (err)
return err;
err = dl_argv_parse(dl, DL_OPT_HANDLE, DL_OPT_DPIPE_TABLE_NAME);
if (err)
@ -3546,9 +3535,9 @@ static int cmd_dpipe_table_show(struct dl *dl)
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
dl_opts_put(nlh, dl);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, ctx);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
if (err) {
pr_err("error get headers %s\n", strerror(ctx->err));
pr_err("error get headers %s\n", strerror(ctx.err));
goto out;
}
@ -3557,11 +3546,10 @@ static int cmd_dpipe_table_show(struct dl *dl)
dl_opts_put(nlh, dl);
pr_out_section_start(dl, "table");
_mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, ctx);
_mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_show_cb, &ctx);
pr_out_section_end(dl);
out:
dpipe_ctx_clear(ctx);
dpipe_ctx_free(ctx);
dpipe_ctx_fini(&ctx);
return err;
}
@ -3929,13 +3917,13 @@ static int cmd_dpipe_table_entry_dump_cb(const struct nlmsghdr *nlh, void *data)
static int cmd_dpipe_table_dump(struct dl *dl)
{
struct nlmsghdr *nlh;
struct dpipe_ctx *ctx;
struct dpipe_ctx ctx = {};
uint16_t flags = NLM_F_REQUEST;
int err;
ctx = dpipe_ctx_alloc(dl);
if (!ctx)
return -ENOMEM;
err = dpipe_ctx_init(&ctx, dl);
if (err)
return err;
err = dl_argv_parse(dl, DL_OPT_HANDLE | DL_OPT_DPIPE_TABLE_NAME, 0);
if (err)
@ -3943,9 +3931,9 @@ static int cmd_dpipe_table_dump(struct dl *dl)
nlh = mnlg_msg_prepare(dl->nlg, DEVLINK_CMD_DPIPE_HEADERS_GET, flags);
dl_opts_put(nlh, dl);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, ctx);
err = _mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_header_cb, &ctx);
if (err) {
pr_err("error get headers %s\n", strerror(ctx->err));
pr_err("error get headers %s\n", strerror(ctx.err));
goto out;
}
@ -3954,11 +3942,10 @@ static int cmd_dpipe_table_dump(struct dl *dl)
dl_opts_put(nlh, dl);
pr_out_section_start(dl, "table_entry");
_mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, ctx);
_mnlg_socket_sndrcv(dl->nlg, nlh, cmd_dpipe_table_entry_dump_cb, &ctx);
pr_out_section_end(dl);
out:
dpipe_ctx_clear(ctx);
dpipe_ctx_free(ctx);
dpipe_ctx_fini(&ctx);
return err;
}