On Wed, Dec 9, 2020 at 2:51 AM <[email protected]> wrote:
>
> From: Jon Maloy <[email protected]>
>
> We simplify the call signatures for tipc_nametbl_insert_publ() and
> tipc_publ_create() so that fewer parameters are passed around.
>
> Signed-off-by: Jon Maloy <[email protected]>
> ---
> net/tipc/name_distr.c | 23 ++++++++--------
> net/tipc/name_table.c | 61 +++++++++++++++++++------------------------
> net/tipc/name_table.h | 10 ++++---
> net/tipc/socket.c | 8 ++----
> 4 files changed, 47 insertions(+), 55 deletions(-)
>
> diff --git a/net/tipc/name_distr.c b/net/tipc/name_distr.c
> index 721d2fca3d6f..df42fc2b4536 100644
> --- a/net/tipc/name_distr.c
> +++ b/net/tipc/name_distr.c
> @@ -293,30 +293,31 @@ static bool tipc_update_nametbl(struct net *net, struct
> distr_item *i,
> u32 node, u32 dtype)
> {
> struct publication *p = NULL;
> - u32 lower = ntohl(i->lower);
> - u32 upper = ntohl(i->upper);
> - u32 type = ntohl(i->type);
> - u32 port = ntohl(i->port);
> + struct tipc_socket_addr sk;
> + struct tipc_uaddr ua;
> u32 key = ntohl(i->key);
>
> + tipc_uaddr(&ua, TIPC_SERVICE_RANGE, TIPC_CLUSTER_SCOPE,
> + ntohl(i->type), ntohl(i->lower), ntohl(i->upper));
> + sk.ref = ntohl(i->port);
> + sk.node = node;
> +
> if (dtype == PUBLICATION) {
> - p = tipc_nametbl_insert_publ(net, type, lower, upper,
> - TIPC_CLUSTER_SCOPE, node,
> - port, key);
> + p = tipc_nametbl_insert_publ(net, &ua, &sk, key);
> if (p) {
> tipc_node_subscribe(net, &p->binding_node, node);
> return true;
> }
> } else if (dtype == WITHDRAWAL) {
> - p = tipc_nametbl_remove_publ(net, type, lower,
> - upper, node, key);
> + p = tipc_nametbl_remove_publ(net, ua.sr.type, ua.sr.lower,
> + ua.sr.upper, node, key);
> if (p) {
> tipc_node_unsubscribe(net, &p->binding_node, node);
> kfree_rcu(p, rcu);
> return true;
> }
> - pr_warn_ratelimited("Failed to remove binding %u,%u from
> %x\n",
> - type, lower, node);
> + pr_warn_ratelimited("Failed to remove binding %u,%u from
> %u\n",
> + ua.sr.type, ua.sr.lower, node);
> } else {
> pr_warn("Unrecognized name table message received\n");
> }
> diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
> index d951e9345122..ba96d5fc57f3 100644
> --- a/net/tipc/name_table.c
> +++ b/net/tipc/name_table.c
> @@ -222,36 +222,30 @@ static int hash(int x)
>
> /**
> * tipc_publ_create - create a publication structure
> - * @type: name sequence type
> - * @lower: name sequence lower bound
> - * @upper: name sequence upper bound
> - * @scope: publication scope
> - * @node: network address of publishing socket
> - * @port: publishing port
> + * @ua: the service range the user is binding to
> + * @sk: the address of the socket thatis bound
> * @key: publication key
> */
> -static struct publication *tipc_publ_create(u32 type, u32 lower, u32 upper,
> - u32 scope, u32 node, u32 port,
> +static struct publication *tipc_publ_create(struct tipc_uaddr *ua,
> + struct tipc_socket_addr *sk,
> u32 key)
> {
> - struct publication *publ = kzalloc(sizeof(*publ), GFP_ATOMIC);
> + struct publication *p = kzalloc(sizeof(*p), GFP_ATOMIC);
>
> - if (!publ)
> + if (!p)
> return NULL;
>
> - publ->sr.type = type;
> - publ->sr.lower = lower;
> - publ->sr.upper = upper;
> - publ->scope = scope;
> - publ->sk.node = node;
> - publ->sk.ref = port;
> - publ->key = key;
> - INIT_LIST_HEAD(&publ->binding_sock);
> - INIT_LIST_HEAD(&publ->binding_node);
> - INIT_LIST_HEAD(&publ->local_publ);
> - INIT_LIST_HEAD(&publ->all_publ);
> - INIT_LIST_HEAD(&publ->list);
> - return publ;
> + p->sr = ua->sr;
> + p->sk = *sk;
> + p->addrtype = ua->addrtype;
> + p->scope = ua->scope;
> + p->key = key;
> + INIT_LIST_HEAD(&p->binding_sock);
> + INIT_LIST_HEAD(&p->binding_node);
> + INIT_LIST_HEAD(&p->local_publ);
> + INIT_LIST_HEAD(&p->all_publ);
> + INIT_LIST_HEAD(&p->list);
> + return p;
> }
>
> /**
> @@ -468,23 +462,24 @@ static struct tipc_service *tipc_service_find(struct
> net *net, u32 type)
> return NULL;
> };
>
> -struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type,
> - u32 lower, u32 upper,
> - u32 scope, u32 node,
> - u32 port, u32 key)
> +struct publication *tipc_nametbl_insert_publ(struct net *net,
> + struct tipc_uaddr *ua,
> + struct tipc_socket_addr *sk,
> + u32 key)
> {
> struct name_table *nt = tipc_name_table(net);
> struct tipc_service *sc;
> struct publication *p;
> + u32 type = ua->sr.type;
> bool res = false;
>
> - p = tipc_publ_create(type, lower, upper, scope, node, port, key);
> + p = tipc_publ_create(ua, sk, key);
> if (!p)
> return NULL;
>
> - if (scope > TIPC_NODE_SCOPE || lower > upper) {
> - pr_debug("Failed to bind illegal {%u,%u,%u} with scope %u\n",
> - type, lower, upper, scope);
> + if (ua->sr.lower > ua->sr.upper) {
> + pr_debug("Failed to bind illegal {%u,%u,%u} from node %u\n",
> + type, ua->sr.lower, ua->sr.upper, sk->node);
> return NULL;
> }
> sc = tipc_service_find(net, type);
> @@ -758,9 +753,7 @@ struct publication *tipc_nametbl_publish(struct net *net,
> struct tipc_uaddr *ua,
> goto exit;
> }
>
> - p = tipc_nametbl_insert_publ(net, ua->sr.type, ua->sr.lower,
> - ua->sr.upper, ua->scope,
> - sk->node, sk->ref, key);
> + p = tipc_nametbl_insert_publ(net, ua, sk, key);
> if (p) {
> nt->local_publ_count++;
> skb = tipc_named_publish(net, p);
> diff --git a/net/tipc/name_table.h b/net/tipc/name_table.h
> index 5e969e060509..e12b9eb2c7f1 100644
> --- a/net/tipc/name_table.h
> +++ b/net/tipc/name_table.h
> @@ -75,7 +75,8 @@ struct tipc_uaddr;
> struct publication {
> struct tipc_service_range sr;
> struct tipc_socket_addr sk;
> - u32 scope;
> + u16 addrtype;
> + u16 scope;
It would be nice to add some description for this change in the changelog.
> u32 key;
> u32 id;
> struct list_head binding_node;
> @@ -125,9 +126,10 @@ struct publication *tipc_nametbl_publish(struct net
> *net, struct tipc_uaddr *ua,
> struct tipc_socket_addr *sk, u32
> key);
> int tipc_nametbl_withdraw(struct net *net, u32 type, u32 lower, u32 upper,
> u32 key);
> -struct publication *tipc_nametbl_insert_publ(struct net *net, u32 type,
> - u32 lower, u32 upper, u32 scope,
> - u32 node, u32 ref, u32 key);
> +struct publication *tipc_nametbl_insert_publ(struct net *net,
> + struct tipc_uaddr *ua,
> + struct tipc_socket_addr *sk,
> + u32 key);
> struct publication *tipc_nametbl_remove_publ(struct net *net, u32 type,
> u32 lower, u32 upper,
> u32 node, u32 key);
> diff --git a/net/tipc/socket.c b/net/tipc/socket.c
> index 598c8611b75f..0a92ebdd096d 100644
> --- a/net/tipc/socket.c
> +++ b/net/tipc/socket.c
> @@ -3088,12 +3088,8 @@ static int tipc_sk_join(struct tipc_sock *tsk, struct
> tipc_group_req *mreq)
> msg_set_nametype(hdr, mreq->type);
> msg_set_dest_droppable(hdr, true);
> tipc_nametbl_build_group(net, grp, mreq->type, mreq->scope);
> -
> - ua.sr.type = mreq->type;
> - ua.sr.lower = mreq->instance;
> - ua.sr.upper = ua.sr.lower;
> - ua.scope = mreq->scope;
> - ua.addrtype = TIPC_SERVICE_RANGE;
> + tipc_uaddr(&ua, TIPC_SERVICE_RANGE, mreq->scope,
> + mreq->type, mreq->instance, mreq->instance);
> rc = tipc_sk_publish(tsk, &ua);
> if (rc) {
> tipc_group_delete(net, grp);
> --
> 2.28.0
>
>
>
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