llc_c_ac.h 9.3 KB

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  1. #ifndef LLC_C_AC_H
  2. #define LLC_C_AC_H
  3. /*
  4. * Copyright (c) 1997 by Procom Technology,Inc.
  5. * 2001 by Arnaldo Carvalho de Melo <acme@conectiva.com.br>
  6. *
  7. * This program can be redistributed or modified under the terms of the
  8. * GNU General Public License as published by the Free Software Foundation.
  9. * This program is distributed without any warranty or implied warranty
  10. * of merchantability or fitness for a particular purpose.
  11. *
  12. * See the GNU General Public License for more details.
  13. */
  14. /* Connection component state transition actions */
  15. /*
  16. * Connection state transition actions
  17. * (Fb = F bit; Pb = P bit; Xb = X bit)
  18. */
  19. #define LLC_CONN_AC_CLR_REMOTE_BUSY 1
  20. #define LLC_CONN_AC_CONN_IND 2
  21. #define LLC_CONN_AC_CONN_CONFIRM 3
  22. #define LLC_CONN_AC_DATA_IND 4
  23. #define LLC_CONN_AC_DISC_IND 5
  24. #define LLC_CONN_AC_RESET_IND 6
  25. #define LLC_CONN_AC_RESET_CONFIRM 7
  26. #define LLC_CONN_AC_REPORT_STATUS 8
  27. #define LLC_CONN_AC_CLR_REMOTE_BUSY_IF_Fb_EQ_1 9
  28. #define LLC_CONN_AC_STOP_REJ_TMR_IF_DATA_FLAG_EQ_2 10
  29. #define LLC_CONN_AC_SEND_DISC_CMD_Pb_SET_X 11
  30. #define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_Pb 12
  31. #define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_1 13
  32. #define LLC_CONN_AC_SEND_DM_RSP_Fb_SET_F_FLAG 14
  33. #define LLC_CONN_AC_SEND_FRMR_RSP_Fb_SET_X 15
  34. #define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_0 16
  35. #define LLC_CONN_AC_RESEND_FRMR_RSP_Fb_SET_Pb 17
  36. #define LLC_CONN_AC_SEND_I_CMD_Pb_SET_1 18
  37. #define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1 19
  38. #define LLC_CONN_AC_RESEND_I_CMD_Pb_SET_1_OR_SEND_RR 20
  39. #define LLC_CONN_AC_SEND_I_XXX_Xb_SET_0 21
  40. #define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0 22
  41. #define LLC_CONN_AC_RESEND_I_XXX_Xb_SET_0_OR_SEND_RR 23
  42. #define LLC_CONN_AC_RESEND_I_RSP_Fb_SET_1 24
  43. #define LLC_CONN_AC_SEND_REJ_CMD_Pb_SET_1 25
  44. #define LLC_CONN_AC_SEND_REJ_RSP_Fb_SET_1 26
  45. #define LLC_CONN_AC_SEND_REJ_XXX_Xb_SET_0 27
  46. #define LLC_CONN_AC_SEND_RNR_CMD_Pb_SET_1 28
  47. #define LLC_CONN_AC_SEND_RNR_RSP_Fb_SET_1 29
  48. #define LLC_CONN_AC_SEND_RNR_XXX_Xb_SET_0 30
  49. #define LLC_CONN_AC_SET_REMOTE_BUSY 31
  50. #define LLC_CONN_AC_OPTIONAL_SEND_RNR_XXX_Xb_SET_0 32
  51. #define LLC_CONN_AC_SEND_RR_CMD_Pb_SET_1 33
  52. #define LLC_CONN_AC_SEND_ACK_CMD_Pb_SET_1 34
  53. #define LLC_CONN_AC_SEND_RR_RSP_Fb_SET_1 35
  54. #define LLC_CONN_AC_SEND_ACK_RSP_Fb_SET_1 36
  55. #define LLC_CONN_AC_SEND_RR_XXX_Xb_SET_0 37
  56. #define LLC_CONN_AC_SEND_ACK_XXX_Xb_SET_0 38
  57. #define LLC_CONN_AC_SEND_SABME_CMD_Pb_SET_X 39
  58. #define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_Pb 40
  59. #define LLC_CONN_AC_SEND_UA_RSP_Fb_SET_F_FLAG 41
  60. #define LLC_CONN_AC_S_FLAG_SET_0 42
  61. #define LLC_CONN_AC_S_FLAG_SET_1 43
  62. #define LLC_CONN_AC_START_P_TMR 44
  63. #define LLC_CONN_AC_START_ACK_TMR 45
  64. #define LLC_CONN_AC_START_REJ_TMR 46
  65. #define LLC_CONN_AC_START_ACK_TMR_IF_NOT_RUNNING 47
  66. #define LLC_CONN_AC_STOP_ACK_TMR 48
  67. #define LLC_CONN_AC_STOP_P_TMR 49
  68. #define LLC_CONN_AC_STOP_REJ_TMR 50
  69. #define LLC_CONN_AC_STOP_ALL_TMRS 51
  70. #define LLC_CONN_AC_STOP_OTHER_TMRS 52
  71. #define LLC_CONN_AC_UPDATE_Nr_RECEIVED 53
  72. #define LLC_CONN_AC_UPDATE_P_FLAG 54
  73. #define LLC_CONN_AC_DATA_FLAG_SET_2 55
  74. #define LLC_CONN_AC_DATA_FLAG_SET_0 56
  75. #define LLC_CONN_AC_DATA_FLAG_SET_1 57
  76. #define LLC_CONN_AC_DATA_FLAG_SET_1_IF_DATA_FLAG_EQ_0 58
  77. #define LLC_CONN_AC_P_FLAG_SET_0 59
  78. #define LLC_CONN_AC_P_FLAG_SET_P 60
  79. #define LLC_CONN_AC_REMOTE_BUSY_SET_0 61
  80. #define LLC_CONN_AC_RETRY_CNT_SET_0 62
  81. #define LLC_CONN_AC_RETRY_CNT_INC_BY_1 63
  82. #define LLC_CONN_AC_Vr_SET_0 64
  83. #define LLC_CONN_AC_Vr_INC_BY_1 65
  84. #define LLC_CONN_AC_Vs_SET_0 66
  85. #define LLC_CONN_AC_Vs_SET_Nr 67
  86. #define LLC_CONN_AC_F_FLAG_SET_P 68
  87. #define LLC_CONN_AC_STOP_SENDACK_TMR 70
  88. #define LLC_CONN_AC_START_SENDACK_TMR_IF_NOT_RUNNING 71
  89. typedef int (*llc_conn_action_t)(struct sock *sk, struct sk_buff *skb);
  90. int llc_conn_ac_clear_remote_busy(struct sock *sk, struct sk_buff *skb);
  91. int llc_conn_ac_conn_ind(struct sock *sk, struct sk_buff *skb);
  92. int llc_conn_ac_conn_confirm(struct sock *sk, struct sk_buff *skb);
  93. int llc_conn_ac_data_ind(struct sock *sk, struct sk_buff *skb);
  94. int llc_conn_ac_disc_ind(struct sock *sk, struct sk_buff *skb);
  95. int llc_conn_ac_rst_ind(struct sock *sk, struct sk_buff *skb);
  96. int llc_conn_ac_rst_confirm(struct sock *sk, struct sk_buff *skb);
  97. int llc_conn_ac_clear_remote_busy_if_f_eq_1(struct sock *sk,
  98. struct sk_buff *skb);
  99. int llc_conn_ac_stop_rej_tmr_if_data_flag_eq_2(struct sock *sk,
  100. struct sk_buff *skb);
  101. int llc_conn_ac_send_disc_cmd_p_set_x(struct sock *sk, struct sk_buff *skb);
  102. int llc_conn_ac_send_dm_rsp_f_set_p(struct sock *sk, struct sk_buff *skb);
  103. int llc_conn_ac_send_dm_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
  104. int llc_conn_ac_send_frmr_rsp_f_set_x(struct sock *sk, struct sk_buff *skb);
  105. int llc_conn_ac_resend_frmr_rsp_f_set_0(struct sock *sk, struct sk_buff *skb);
  106. int llc_conn_ac_resend_frmr_rsp_f_set_p(struct sock *sk, struct sk_buff *skb);
  107. int llc_conn_ac_send_i_cmd_p_set_1(struct sock *sk, struct sk_buff *skb);
  108. int llc_conn_ac_send_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
  109. int llc_conn_ac_resend_i_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
  110. int llc_conn_ac_resend_i_xxx_x_set_0_or_send_rr(struct sock *sk,
  111. struct sk_buff *skb);
  112. int llc_conn_ac_resend_i_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
  113. int llc_conn_ac_send_rej_cmd_p_set_1(struct sock *sk, struct sk_buff *skb);
  114. int llc_conn_ac_send_rej_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
  115. int llc_conn_ac_send_rej_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
  116. int llc_conn_ac_send_rnr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb);
  117. int llc_conn_ac_send_rnr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
  118. int llc_conn_ac_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
  119. int llc_conn_ac_set_remote_busy(struct sock *sk, struct sk_buff *skb);
  120. int llc_conn_ac_opt_send_rnr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
  121. int llc_conn_ac_send_rr_cmd_p_set_1(struct sock *sk, struct sk_buff *skb);
  122. int llc_conn_ac_send_rr_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
  123. int llc_conn_ac_send_ack_rsp_f_set_1(struct sock *sk, struct sk_buff *skb);
  124. int llc_conn_ac_send_rr_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
  125. int llc_conn_ac_send_ack_xxx_x_set_0(struct sock *sk, struct sk_buff *skb);
  126. int llc_conn_ac_send_sabme_cmd_p_set_x(struct sock *sk, struct sk_buff *skb);
  127. int llc_conn_ac_send_ua_rsp_f_set_p(struct sock *sk, struct sk_buff *skb);
  128. int llc_conn_ac_set_s_flag_0(struct sock *sk, struct sk_buff *skb);
  129. int llc_conn_ac_set_s_flag_1(struct sock *sk, struct sk_buff *skb);
  130. int llc_conn_ac_start_p_timer(struct sock *sk, struct sk_buff *skb);
  131. int llc_conn_ac_start_ack_timer(struct sock *sk, struct sk_buff *skb);
  132. int llc_conn_ac_start_rej_timer(struct sock *sk, struct sk_buff *skb);
  133. int llc_conn_ac_start_ack_tmr_if_not_running(struct sock *sk,
  134. struct sk_buff *skb);
  135. int llc_conn_ac_stop_ack_timer(struct sock *sk, struct sk_buff *skb);
  136. int llc_conn_ac_stop_p_timer(struct sock *sk, struct sk_buff *skb);
  137. int llc_conn_ac_stop_rej_timer(struct sock *sk, struct sk_buff *skb);
  138. int llc_conn_ac_stop_all_timers(struct sock *sk, struct sk_buff *skb);
  139. int llc_conn_ac_stop_other_timers(struct sock *sk, struct sk_buff *skb);
  140. int llc_conn_ac_upd_nr_received(struct sock *sk, struct sk_buff *skb);
  141. int llc_conn_ac_inc_tx_win_size(struct sock *sk, struct sk_buff *skb);
  142. int llc_conn_ac_dec_tx_win_size(struct sock *sk, struct sk_buff *skb);
  143. int llc_conn_ac_upd_p_flag(struct sock *sk, struct sk_buff *skb);
  144. int llc_conn_ac_set_data_flag_2(struct sock *sk, struct sk_buff *skb);
  145. int llc_conn_ac_set_data_flag_0(struct sock *sk, struct sk_buff *skb);
  146. int llc_conn_ac_set_data_flag_1(struct sock *sk, struct sk_buff *skb);
  147. int llc_conn_ac_set_data_flag_1_if_data_flag_eq_0(struct sock *sk,
  148. struct sk_buff *skb);
  149. int llc_conn_ac_set_p_flag_0(struct sock *sk, struct sk_buff *skb);
  150. int llc_conn_ac_set_remote_busy_0(struct sock *sk, struct sk_buff *skb);
  151. int llc_conn_ac_set_retry_cnt_0(struct sock *sk, struct sk_buff *skb);
  152. int llc_conn_ac_set_cause_flag_0(struct sock *sk, struct sk_buff *skb);
  153. int llc_conn_ac_set_cause_flag_1(struct sock *sk, struct sk_buff *skb);
  154. int llc_conn_ac_inc_retry_cnt_by_1(struct sock *sk, struct sk_buff *skb);
  155. int llc_conn_ac_set_vr_0(struct sock *sk, struct sk_buff *skb);
  156. int llc_conn_ac_inc_vr_by_1(struct sock *sk, struct sk_buff *skb);
  157. int llc_conn_ac_set_vs_0(struct sock *sk, struct sk_buff *skb);
  158. int llc_conn_ac_set_vs_nr(struct sock *sk, struct sk_buff *skb);
  159. int llc_conn_ac_rst_vs(struct sock *sk, struct sk_buff *skb);
  160. int llc_conn_ac_upd_vs(struct sock *sk, struct sk_buff *skb);
  161. int llc_conn_disc(struct sock *sk, struct sk_buff *skb);
  162. int llc_conn_reset(struct sock *sk, struct sk_buff *skb);
  163. int llc_conn_ac_disc_confirm(struct sock *sk, struct sk_buff *skb);
  164. u8 llc_circular_between(u8 a, u8 b, u8 c);
  165. int llc_conn_ac_send_ack_if_needed(struct sock *sk, struct sk_buff *skb);
  166. int llc_conn_ac_adjust_npta_by_rr(struct sock *sk, struct sk_buff *skb);
  167. int llc_conn_ac_adjust_npta_by_rnr(struct sock *sk, struct sk_buff *skb);
  168. int llc_conn_ac_rst_sendack_flag(struct sock *sk, struct sk_buff *skb);
  169. int llc_conn_ac_send_i_rsp_as_ack(struct sock *sk, struct sk_buff *skb);
  170. int llc_conn_ac_send_i_as_ack(struct sock *sk, struct sk_buff *skb);
  171. void llc_conn_busy_tmr_cb(unsigned long timeout_data);
  172. void llc_conn_pf_cycle_tmr_cb(unsigned long timeout_data);
  173. void llc_conn_ack_tmr_cb(unsigned long timeout_data);
  174. void llc_conn_rej_tmr_cb(unsigned long timeout_data);
  175. void llc_conn_set_p_flag(struct sock *sk, u8 value);
  176. #endif /* LLC_C_AC_H */