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Libiscsi: Adding new_pdu function to transport abstraction

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Signed-off-by: Roy Shterman <roysh@mellanox.com>
This commit is contained in:
Roy Shterman
2016-05-27 18:47:17 +03:00
committed by Ronnie Sahlberg
parent e3df0bbf96
commit 2671e10565
3 changed files with 15 additions and 1 deletions
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3
include/iscsi-private.h
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@@ -383,11 +383,14 @@ void iscsi_timeout_scan(struct iscsi_context *iscsi);
void iscsi_reconnect_cb(struct iscsi_context *iscsi _U_, int status, void iscsi_reconnect_cb(struct iscsi_context *iscsi _U_, int status,
void *command_data, void *private_data); void *command_data, void *private_data);
struct iscsi_pdu *iscsi_tcp_new_pdu(struct iscsi_context *iscsi, size_t size);
void iscsi_init_tcp_transport(struct iscsi_context *iscsi); void iscsi_init_tcp_transport(struct iscsi_context *iscsi);
struct iscsi_transport { struct iscsi_transport {
int (*connect)(struct iscsi_context *iscsi, union socket_address *sa, int ai_family); int (*connect)(struct iscsi_context *iscsi, union socket_address *sa, int ai_family);
int (*queue_pdu)(struct iscsi_context *iscsi, struct iscsi_pdu *pdu); int (*queue_pdu)(struct iscsi_context *iscsi, struct iscsi_pdu *pdu);
struct iscsi_pdu* (*new_pdu)(struct iscsi_context *iscsi, size_t size);
}; };
struct tcp_transport { struct tcp_transport {

12
lib/pdu.c
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@@ -79,6 +79,16 @@ void iscsi_dump_pdu_header(struct iscsi_context *iscsi, unsigned char *data) {
ISCSI_LOG(iscsi, 2, "PDU header:%s", dump); ISCSI_LOG(iscsi, 2, "PDU header:%s", dump);
} }
struct iscsi_pdu*
iscsi_tcp_new_pdu(struct iscsi_context *iscsi, size_t size)
{
struct iscsi_pdu *pdu;
pdu = iscsi_szmalloc(iscsi, size);
return pdu;
}
struct iscsi_pdu * struct iscsi_pdu *
iscsi_allocate_pdu(struct iscsi_context *iscsi, enum iscsi_opcode opcode, iscsi_allocate_pdu(struct iscsi_context *iscsi, enum iscsi_opcode opcode,
enum iscsi_opcode response_opcode, uint32_t itt, enum iscsi_opcode response_opcode, uint32_t itt,
@@ -86,7 +96,7 @@ iscsi_allocate_pdu(struct iscsi_context *iscsi, enum iscsi_opcode opcode,
{ {
struct iscsi_pdu *pdu; struct iscsi_pdu *pdu;
pdu = iscsi_szmalloc(iscsi, sizeof(struct iscsi_pdu)); pdu = iscsi->t->new_pdu(iscsi, sizeof(struct iscsi_pdu));
if (pdu == NULL) { if (pdu == NULL) {
iscsi_set_error(iscsi, "failed to allocate pdu"); iscsi_set_error(iscsi, "failed to allocate pdu");
return NULL; return NULL;

1
lib/socket.c
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@@ -1055,6 +1055,7 @@ void iscsi_init_tcp_transport(struct iscsi_context *iscsi)
{ {
iscsi->t->connect = iscsi_tcp_connect; iscsi->t->connect = iscsi_tcp_connect;
iscsi->t->queue_pdu = iscsi_tcp_queue_pdu; iscsi->t->queue_pdu = iscsi_tcp_queue_pdu;
iscsi->t->new_pdu = iscsi_tcp_new_pdu;
return; return;
} }