diff options
author | Max <msuraev@sysmocom.de> | 2022-11-17 22:18:01 +0300 |
---|---|---|
committer | msuraev <msuraev@sysmocom.de> | 2022-11-26 13:59:09 +0000 |
commit | 2b283b1a1a93b10a20dcc9f5668e200eb7cf3b5b (patch) | |
tree | a57be1627480f6b3c98b53e5bbfe8f610f13ab32 | |
parent | 6ca0a4329437967e246b2e57c1004651ae8c2ac2 (diff) |
LAPD: move tx_hist code into static functions
Related: OS#4074
Change-Id: Ibf3b08c8d874416796b94ba3a672a02d614313b1
-rw-r--r-- | src/gsm/lapd_core.c | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/src/gsm/lapd_core.c b/src/gsm/lapd_core.c index 9a4f56b9..7441285d 100644 --- a/src/gsm/lapd_core.c +++ b/src/gsm/lapd_core.c @@ -1738,6 +1738,20 @@ static int lapd_udata_req(struct osmo_dlsap_prim *dp, struct lapd_msg_ctx *lctx) return dl->send_ph_data_req(&nctx, msg); } +static void msg_to_tx_hist(struct lapd_history *tx_hist, const struct msgb *msg, int length, int more) +{ + tx_hist->msg = lapd_msgb_alloc(msg->len, "HIST"); + tx_hist->more = more; + msgb_put(tx_hist->msg, msg->len); + if (length) + memcpy(tx_hist->msg->data, msg->l3h, msg->len); +} + +static void msg_to_tx_hist0(struct lapd_datalink *dl, const struct msgb *msg) +{ + return msg_to_tx_hist(&dl->tx_hist[0], msg, msg->len, 0); +} + /* request link establishment */ static int lapd_est_req(struct osmo_dlsap_prim *dp, struct lapd_msg_ctx *lctx) { @@ -1776,11 +1790,8 @@ static int lapd_est_req(struct osmo_dlsap_prim *dp, struct lapd_msg_ctx *lctx) nctx.more = 0; /* Transmit-buffer carries exactly one segment */ - dl->tx_hist[0].msg = lapd_msgb_alloc(msg->len, "HIST"); - msgb_put(dl->tx_hist[0].msg, msg->len); - if (msg->len) - memcpy(dl->tx_hist[0].msg->data, msg->l3h, msg->len); - dl->tx_hist[0].more = 0; + msg_to_tx_hist0(dl, msg); + /* set Vs to 0, because it is used as index when resending SABM */ dl->v_send = 0; @@ -1913,11 +1924,8 @@ static int lapd_send_i(struct lapd_msg_ctx *lctx, int line) memcpy(msg->l3h, dl->send_buffer->l3h + dl->send_out, length); /* store in tx_hist */ - dl->tx_hist[h].msg = lapd_msgb_alloc(msg->len, "HIST"); - msgb_put(dl->tx_hist[h].msg, msg->len); - if (length) - memcpy(dl->tx_hist[h].msg->data, msg->l3h, msg->len); - dl->tx_hist[h].more = nctx.more; + msg_to_tx_hist(&dl->tx_hist[h], msg, length, nctx.more); + /* Add length to track how much is already in the tx buffer */ dl->send_out += length; } else { @@ -2038,11 +2046,8 @@ static int lapd_res_req(struct osmo_dlsap_prim *dp, struct lapd_msg_ctx *lctx) nctx.length = 0; nctx.more = 0; - dl->tx_hist[0].msg = lapd_msgb_alloc(msg->len, "HIST"); - msgb_put(dl->tx_hist[0].msg, msg->len); - if (msg->len) - memcpy(dl->tx_hist[0].msg->data, msg->l3h, msg->len); - dl->tx_hist[0].more = 0; + msg_to_tx_hist0(dl, msg); + /* set Vs to 0, because it is used as index when resending SABM */ dl->v_send = 0; @@ -2102,11 +2107,8 @@ static int lapd_rel_req(struct osmo_dlsap_prim *dp, struct lapd_msg_ctx *lctx) nctx.length = 0; nctx.more = 0; - dl->tx_hist[0].msg = lapd_msgb_alloc(msg->len, "HIST"); - msgb_put(dl->tx_hist[0].msg, msg->len); - if (msg->len) - memcpy(dl->tx_hist[0].msg->data, msg->l3h, msg->len); - dl->tx_hist[0].more = 0; + msg_to_tx_hist0(dl, msg); + /* set Vs to 0, because it is used as index when resending DISC */ dl->v_send = 0; |