fixeria has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmocom-bb/+/31657 )
Change subject: modem: add test VTY command for sending raw LLC PDUs ......................................................................
modem: add test VTY command for sending raw LLC PDUs
Change-Id: I14f58e715d77a1b1cb40fdd3ddd09084360f2274 Related: OS#5500 --- M src/host/layer23/src/modem/vty.c 1 file changed, 83 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmocom-bb refs/changes/57/31657/1
diff --git a/src/host/layer23/src/modem/vty.c b/src/host/layer23/src/modem/vty.c index b8e0e2d..4fa8e1d 100644 --- a/src/host/layer23/src/modem/vty.c +++ b/src/host/layer23/src/modem/vty.c @@ -23,6 +23,9 @@ #include <osmocom/core/talloc.h> #include <osmocom/core/linuxlist.h>
+#include <osmocom/gprs/llc/llc.h> +#include <osmocom/gprs/llc/llc_prim.h> + #include <osmocom/vty/vty.h> #include <osmocom/vty/command.h>
@@ -56,6 +59,7 @@ #define MS_NAME_DESC "Name of MS (see "show ms")\n" #define TEST_CMD_DESC "Testing commands for developers\n" #define GRR_CMDG_DESC "GPRS RR specific commands\n" +#define LLC_CMDG_DESC "GPRS LLC specific commands\n"
/* testing commands */ DEFUN_HIDDEN(test_grr_tx_chan_req, @@ -81,6 +85,73 @@ return CMD_SUCCESS; }
+DEFUN_HIDDEN(test_llc_unitdata_req_hexpdu, + test_llc_unitdata_req_hexpdu_cmd, + "test MS_NAME llc unitdata-req <0x00-0xffffffff> SAPI HEXSTRING", + TEST_CMD_DESC MS_NAME_DESC LLC_CMDG_DESC + "Enqueue an LLC UNITDATA.req for transmission\n" + "TLLI (Temporary Logical Link Identifier) value to be used\n" + "SAPI value to be used (for example, GMM, SMS, SNDCP3)\n" + "LLC PDU as a hexstring (up to 512 octets)\n") +{ + struct osmo_gprs_llc_prim *llc_prim; + struct osmocom_ms *ms; + uint8_t buf[512]; + int tlli, sapi, pdu_len; + + if ((ms = l23_vty_get_ms(argv[0], vty)) == NULL) + return CMD_WARNING; + + if (osmo_str_to_int(&tlli, argv[1], 0, 0, 0xffffff) < 0) + return CMD_WARNING; + sapi = get_string_value(osmo_gprs_llc_sapi_names, argv[2]); + if (sapi < 0) + return CMD_WARNING; + pdu_len = osmo_hexparse(argv[3], &buf[0], sizeof(buf)); + if (pdu_len < 0) + return CMD_WARNING; + + llc_prim = osmo_gprs_llc_prim_alloc_ll_unitdata_req(tlli, sapi, &buf[0], pdu_len); + if (osmo_gprs_llc_prim_upper_down(llc_prim) != 0) { + vty_out(vty, "Failed to enqueue an LLC PDU%s", VTY_NEWLINE); + return CMD_WARNING; + } + + return CMD_SUCCESS; +} + +static uint8_t pdu_gmmm_attach_req[] = { + 0x08, 0x01, 0x02, 0xe5, 0xe0, 0x01, 0x0a, 0x00, 0x05, 0xf4, 0xf4, 0x3c, 0xec, 0x71, 0x32, 0xf4, + 0x07, 0x00, 0x05, 0x00, 0x17, 0x19, 0x33, 0x43, 0x2b, 0x37, 0x15, 0x9e, 0xf9, 0x88, 0x79, 0xcb, + 0xa2, 0x8c, 0x66, 0x21, 0xe7, 0x26, 0x88, 0xb1, 0x98, 0x87, 0x9c, 0x00, 0x17, 0x05, +}; + +/* TODO: remove this command once we have the GMM layer implemented */ +DEFUN_HIDDEN(test_llc_unitdata_req_gmm_attch, + test_llc_unitdata_req_gmm_attch_cmd, + "test MS_NAME llc unitdata-req gmm-attach-req", + TEST_CMD_DESC MS_NAME_DESC LLC_CMDG_DESC + "Enqueue an LLC UNITDATA.req for transmission\n" + "Hard-coded GMM Attach Request (SAPI=GMM, TLLI=0xe1c5d364)\n") +{ + struct osmo_gprs_llc_prim *llc_prim; + const uint32_t tlli = 0xe1c5d364; + struct osmocom_ms *ms; + + if ((ms = l23_vty_get_ms(argv[0], vty)) == NULL) + return CMD_WARNING; + + llc_prim = osmo_gprs_llc_prim_alloc_ll_unitdata_req(tlli, OSMO_GPRS_LLC_SAPI_GMM, + &pdu_gmmm_attach_req[0], + sizeof(pdu_gmmm_attach_req)); + if (osmo_gprs_llc_prim_upper_down(llc_prim) != 0) { + vty_out(vty, "Failed to enqueue an LLC PDU%s", VTY_NEWLINE); + return CMD_WARNING; + } + + return CMD_SUCCESS; +} + /* per APN config */ DEFUN(cfg_ms_apn, cfg_ms_apn_cmd, "apn APN_NAME", "Configure an APN\n" @@ -262,6 +333,8 @@ return rc; install_element_ve(&l23_show_ms_cmd); install_element_ve(&test_grr_tx_chan_req_cmd); + install_element_ve(&test_llc_unitdata_req_hexpdu_cmd); + install_element_ve(&test_llc_unitdata_req_gmm_attch_cmd); install_element(CONFIG_NODE, &l23_cfg_ms_cmd);
install_element(MS_NODE, &cfg_ms_apn_cmd);
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fixeria