How to include a marketing campaign in the PRM portal?

Campaigns are not available in the Partner Portal. In addition to custom objects, the following tabs can be displayed in the partner portal:

• Accounts

• Answers

• Articles (requires 
  Salesforce Knowledge)
• Cases

• Contacts

• Documents

• Ideas

• Leads

• Opportunities

• Entitlements

• Service contracts

• Solutions

• Salesforce CRM Content tabs

• Reports